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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

INTEGRAL TRANSFORMS

Dr.N.A.Pande Associate Professor

Department of Mathematics & Statistics, Yeshwant Mahavidyalaya, Nanded – 431602

Maharashtra, INDIA

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

PAPER DETAILS

2

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc.

PAPER DETAILS

2

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics

PAPER DETAILS

2

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd

PAPER DETAILS

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd • Semester : 6th

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2

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd • Semester : 6th • Paper No. : 12(B.A.) / 17(B.Sc.)

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd • Semester : 6th • Paper No. : 12(B.A.) / 17(B.Sc.) • Syllabus Effective From : 2015-16

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd • Semester : 6th • Paper No. : 12(B.A.) / 17(B.Sc.) • Syllabus Effective From : 2015-16 • Paper Code : MT-305

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Paper Details • University : Swami Ramanand Teerth Marathwada University, Nanded, India

• Course : B.A./B.Sc. • Subject : Mathematics • Year : 3rd • Semester : 6th • Paper No. : 12(B.A.) / 17(B.Sc.) • Syllabus Effective From : 2015-16 • Paper Code : MT-305 • Marks : 40 (University) + 10 (Internal) = 50

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-I : Laplace Transforms

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-I : Laplace Transforms

� Introduction, Laplace Transform, Important Formulae, Properties of Laplace Transforms, Laplace Transforms of the derivative of f(t), Laplace Transforms of derivative of order n, Laplace Transform of integral of f(t), Laplace Transform of t·f(t) (Multiplication by t), Laplace Transform of 1/t·f(t) (Division by t), Unit Step Function, Second Shifting Theorem, Impulse Function, Periodic Functions, Convolution Theorem, Evaluation of Integrals, Formulae of Laplace Transform, Properties of Laplace Transform.

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-II : Inverse Laplace Transforms

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-II : Inverse Laplace Transforms

� Inverse Laplace Transforms, Important formulae, Multiplication by s, Division by s, First Shifting Property, Second Shifting Property, Inverse Laplace Transform of Derivatives, Inverse Laplace Transform of Integrals, Partial Fractions Method, Inverse Laplace Transform by Convolution, Solution of Differential Equation by Laplace Transforms, Solution of Simultaneous Differential Equations by Laplace Transforms

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-III : : Fourier Transforms

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Syllabus • Unit-III : : Fourier Transforms

� Introduction, Integral Transforms, Fourier Integral Theorem, Fourier sine and Cosine Integrals, Fourier Complex Integral, Fourier transforms, Fourier sine and cosine transforms, Properties of Fourier Transforms.

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

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6

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

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6

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

PAPER DETAILS

6

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

� ISSN : 81-219-0345-9

PAPER DETAILS

6

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

� ISSN : 81-219-0345-9

• Scope :

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

� ISSN : 81-219-0345-9

• Scope : �Unit–I : 13.1 to 13.15, and 13.17 to 13.19

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

� ISSN : 81-219-0345-9

• Scope : �Unit–I : 13.1 to 13.15, and 13.17 to 13.19

�Unit–II : 13.20 to 13.31

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Text Book & Scope • Recommended Text Book :

�Title : Advanced Engineering

Mathematics

�Author : H. K. Dass

�Publisher : S. Chand & Company Ltd.

� ISSN : 81-219-0345-9

• Scope : �Unit–I : 13.1 to 13.15, and 13.17 to 13.19

�Unit–II : 13.20 to 13.31

�Unit–III : 14.1 to 14.8

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Reference Books

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Reference Books • Operational Mathematics, By R. V. Churchill, John Wiley & Sons, New

• York, 1985.

• An Introduction to Laplace Transforms and Z-Transforms, By Grove A.C., Printice Hall, 1991.

• Guide to the Laplace Transforms and Applications, By Doetsch G. Springer, Ver. 1963.

• Introduction to Theory and Application of Laplace Transforms, By Doetsch G., Springer Verg. 1990.

• Complex Analysis, By Alhlfors L.V., Mc-Graw Hill, 3rd ed., 1979.

• Schaum’s Outline of Laplace Transforms, By Murray Spigel, Schame Outline Series, Mc-Graw Hill, 2012.

• The Laplace Transforms Theory and Applications, By Joel. L. Schiff, Springer, 2008.

• Fast Fourier Transforms : Algorithms and Applications, By K. R. Rao, D. N. Kim, J. J. Hwang, Springer 2010.

• Fourier Transform, By S. Bochner and K. Chandrasekehran, University Press, 1949.

• Fourier and Laplace Transform, By R.J. Becrends, H. G. Morsche, J. C. Vande Berg and E. M. Vande Vrie, Cambridge Press, 2003.

PAPER DETAILS

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Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction

UNIT-I

8

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Laplace transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

UNIT-I

8

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Laplace transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

• If f(t) is defined and continuous for all non-negative values, then Laplace transform of f(t) is denoted by L[f(t)] or F(s) and is given by

UNIT-I

8

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dttfesFtfL st

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

(((( )))) asas

eL at >>>>−−−−

==== for ,1

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

(((( )))) asas

eL at >>>>−−−−

==== for ,1

(((( )))) 0 for ,sin22

>>>>++++

==== sas

aatL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

(((( )))) asas

eL at >>>>−−−−

==== for ,1

(((( )))) 0 for ,sin22

>>>>++++

==== sas

aatL

(((( )))) 0 for ,cos22

>>>>++++

==== sas

satL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

(((( )))) asas

eL at >>>>−−−−

==== for ,1

(((( )))) 0 for ,sin22

>>>>++++

==== sas

aatL

(((( )))) 0 for ,cos22

>>>>++++

==== sas

satL

(((( )))) 22

22 for ,sinh as

as

aatL >>>>

−−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

9

(((( ))))s

L1

1 ====

(((( )))) asas

eL at >>>>−−−−

==== for ,1

(((( )))) 0 for ,sin22

>>>>++++

==== sas

aatL

(((( )))) 0 for ,cos22

>>>>++++

==== sas

satL

(((( )))) 22

22 for ,sinh as

as

aatL >>>>

−−−−====

(((( )))) 22

22 for ,cosh as

as

satL >>>>

−−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

(((( )))) (((( )))) 0 for ,sin22 >>>>

++++−−−−==== s

bas

bbteL at

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

(((( )))) (((( )))) 0 for ,sin22 >>>>

++++−−−−==== s

bas

bbteL at

(((( )))) (((( )))) 0 for ,cos22 >>>>

++++−−−−−−−−==== s

bas

asbteL at

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

(((( )))) (((( )))) 0 for ,sin22 >>>>

++++−−−−==== s

bas

bbteL at

(((( )))) (((( )))) 0 for ,cos22 >>>>

++++−−−−−−−−==== s

bas

asbteL at

(((( )))) (((( ))))22

22 for ,sinh asbas

bbteL at >>>>

−−−−−−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

(((( )))) (((( )))) 0 for ,sin22 >>>>

++++−−−−==== s

bas

bbteL at

(((( )))) (((( )))) 0 for ,cos22 >>>>

++++−−−−−−−−==== s

bas

asbteL at

(((( )))) (((( ))))22

22 for ,sinh asbas

bbteL at >>>>

−−−−−−−−====

(((( )))) (((( ))))22

22 for ,cosh asbas

asbteL at >>>>

−−−−−−−−−−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-I

10

(((( ))))1

1|++++++++====

n

n

s

ntL

(((( )))) (((( )))) 0 for ,sin22 >>>>

++++−−−−==== s

bas

bbteL at

(((( )))) (((( )))) 0 for ,cos22 >>>>

++++−−−−−−−−==== s

bas

asbteL at

(((( )))) (((( ))))22

22 for ,sinh asbas

bbteL at >>>>

−−−−−−−−====

(((( )))) (((( ))))22

22 for ,cosh asbas

asbteL at >>>>

−−−−−−−−−−−−====

(((( )))) (((( )))) 1

1|++++−−−−

++++==== n

nat

as

nteL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions

UNIT-I

11

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Unit Step Function : If a is any constant, the unit step function, denoted by u(t − a) is given by

UNIT-I

11

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Unit Step Function : If a is any constant, the unit step function, denoted by u(t − a) is given by

UNIT-I

11

(((( ))))

≥≥≥≥<<<<

====−−−−at

atatu

if ,1

if ,0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Unit Step Function : If a is any constant, the unit step function, denoted by u(t − a) is given by

• The graph of unit step function is

UNIT-I

11

(((( ))))

≥≥≥≥<<<<

====−−−−at

atatu

if ,1

if ,0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Unit Step Function : If a is any constant, the unit step function, denoted by u(t − a) is given by

• The graph of unit step function is

UNIT-I

11

(((( ))))

≥≥≥≥<<<<

====−−−−at

atatu

if ,1

if ,0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions

UNIT-I

12

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Functions with conditional definitions can be represented by using unit step function :

UNIT-I

12

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Functions with conditional definitions can be represented by using unit step function :

• If

UNIT-I

12

(((( )))) <<<<<<<<

====otherwise ,0

if , btaEtf

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Functions with conditional definitions can be represented by using unit step function :

• If

• then, f(t) = E(u(t − a) − u(t − a))

UNIT-I

12

(((( )))) <<<<<<<<

====otherwise ,0

if , btaEtf

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Functions with conditional definitions can be represented by using unit step function :

• If

• then, f(t) = E(u(t − a) − u(t − a))

• The graph such difference of 2 unit step functions is

UNIT-I

12

(((( )))) <<<<<<<<

====otherwise ,0

if , btaEtf

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • Functions with conditional definitions can be represented by using unit step function :

• If

• then, f(t) = E(u(t − a) − u(t − a))

• The graph such difference of 2 unit step functions is

UNIT-I

12

(((( )))) <<<<<<<<

====otherwise ,0

if , btaEtf

(((( ))))(((( ))))s

eatuL

as−−−−

====−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions

UNIT-I

13

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

UNIT-I

13

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

• Unit Impulse Function : The limiting value :

UNIT-I

13

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

• Unit Impulse Function : The limiting value :

UNIT-I

13

(((( ))))

→→→→++++<<<<<<<<====−−−−

otherwise ,0

0 as if ,1

εεεδ

ataat

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

• Unit Impulse Function : The limiting value :

• The hard core value :

UNIT-I

13

(((( ))))

→→→→++++<<<<<<<<====−−−−

otherwise ,0

0 as if ,1

εεεδ

ataat

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

• Unit Impulse Function : The limiting value :

• The hard core value :

UNIT-I

13

(((( ))))

→→→→++++<<<<<<<<====−−−−

otherwise ,0

0 as if ,1

εεεδ

ataat

(((( )))) ====∞∞∞∞

====−−−−otherwise ,0

if , atatδ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • For a large force acting for a short time, the product of force and time is called impulse.

• Unit Impulse Function : The limiting value :

• The hard core value :

• The area under the graph of unit impulse function is 1.

UNIT-I

13

(((( ))))

→→→→++++<<<<<<<<====−−−−

otherwise ,0

0 as if ,1

εεεδ

ataat

(((( )))) ====∞∞∞∞

====−−−−otherwise ,0

if , atatδ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions

UNIT-I

14

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • The area under the graph of unit impulse function is 1, i.e.,

UNIT-I

14

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • The area under the graph of unit impulse function is 1, i.e.,

UNIT-I

14

(((( )))) 1====−−−−∫∫∫∫∞∞∞∞

0

δ dtat

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • The area under the graph of unit impulse function is 1, i.e.,

UNIT-I

14

(((( )))) 1====−−−−∫∫∫∫∞∞∞∞

0

δ dtat

(((( )))) )()( afdtattf ====−−−−∫∫∫∫∞∞∞∞

0

δ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • The area under the graph of unit impulse function is 1, i.e.,

UNIT-I

14

(((( )))) 1====−−−−∫∫∫∫∞∞∞∞

0

δ dtat

(((( )))) )()( afdtattf ====−−−−∫∫∫∫∞∞∞∞

0

δ

(((( )))) )(')( afdtattf −−−−====−−−−∫∫∫∫∞∞∞∞

0

δ'

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Special Functions • The area under the graph of unit impulse function is 1, i.e.,

UNIT-I

14

(((( )))) 1====−−−−∫∫∫∫∞∞∞∞

0

δ dtat

(((( )))) )()( afdtattf ====−−−−∫∫∫∫∞∞∞∞

0

δ

(((( )))) )(')( afdtattf −−−−====−−−−∫∫∫∫∞∞∞∞

0

δ'

(((( ))))(((( )))) aseatL −−−−====−−−−δ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

• First Shifting Theorem :

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

• First Shifting Theorem : �L[eatf(t)] = F(s − a)

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

• First Shifting Theorem : �L[eatf(t)] = F(s − a)

• Laplace Transform of Derivative :

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

• First Shifting Theorem : �L[eatf(t)] = F(s − a)

• Laplace Transform of Derivative : �L[f(n)(t)] = snF(s) - sn-1f(0) - sn-2f’(0)- ⋯⋯⋯⋯ -f(n-1)(0).

UNIT-I

15

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Linearity Property :

�L[af1(t) + bf2(t)] = aL[f1(t)] + bL[f2(t)].

• First Shifting Theorem : �L[eatf(t)] = F(s − a)

• Laplace Transform of Derivative : �L[f(n)(t)] = snF(s) - sn-1f(0) - sn-2f’(0)- ⋯⋯⋯⋯ -f(n-1)(0).

• Laplace Transform of Integral :

UNIT-I

15

)(1

)(0

sFs

dttfLt

====

∫∫∫∫

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms

UNIT-I

16

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

UNIT-I

16

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

• Laplace Transform of Division by t :

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

• Laplace Transform of Division by t :

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

∫∫∫∫∞∞∞∞

====

s

dssFt

tfL )(

)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

• Laplace Transform of Division by t :

• Second Shifting Theorem :

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

∫∫∫∫∞∞∞∞

====

s

dssFt

tfL )(

)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

• Laplace Transform of Division by t :

• Second Shifting Theorem : L[u(t − a)f(t − a)] = e−asF(s)

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

∫∫∫∫∞∞∞∞

====

s

dssFt

tfL )(

)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Multiplication by t :

• Laplace Transform of Division by t :

• Second Shifting Theorem : L[u(t − a)f(t − a)] = e−asF(s)

L[u(t − a)f(t)] = e−asL[f(t + a)] (alternate form)

UNIT-I

16

[[[[ ]]]] )()1()( sFds

dtftL

n

nnn −−−−====

∫∫∫∫∞∞∞∞

====

s

dssFt

tfL )(

)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms

UNIT-I

17

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Periodic Function with Period T :

UNIT-I

17

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Periodic Function with Period T :

UNIT-I

17

sT

T

st

e

dttfe

tfL −−−−

−−−−

−−−−====∫∫∫∫

1

)(

)]([ 0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Periodic Function with Period T :

• Convolution Theorem :

UNIT-I

17

sT

T

st

e

dttfe

tfL −−−−

−−−−

−−−−====∫∫∫∫

1

)(

)]([ 0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Periodic Function with Period T :

• Convolution Theorem : If L[f1(t)] = F1(s) and L[f2(t)] = F2(s), then

UNIT-I

17

sT

T

st

e

dttfe

tfL −−−−

−−−−

−−−−====∫∫∫∫

1

)(

)]([ 0

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Laplace Transforms • Laplace Transform of Periodic Function with Period T :

• Convolution Theorem : If L[f1(t)] = F1(s) and L[f2(t)] = F2(s), then

UNIT-I

17

sT

T

st

e

dttfe

tfL −−−−

−−−−

−−−−====∫∫∫∫

1

)(

)]([ 0

)()()()( 21

0

21 sFsFdtxtfxfLt

====

−−−−∫∫∫∫

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction

UNIT-II

18

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • If f(t) is defined and continuous for all non-negative values and Laplace transform of f(t) is L[f(t)] or F(s), then inverse Laplace transform of F(s) is f(t).

UNIT-II

18

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • If f(t) is defined and continuous for all non-negative values and Laplace transform of f(t) is L[f(t)] or F(s), then inverse Laplace transform of F(s) is f(t).

• We use indirect form of inverse Laplace transform.

UNIT-II

18

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • If f(t) is defined and continuous for all non-negative values and Laplace transform of f(t) is L[f(t)] or F(s), then inverse Laplace transform of F(s) is f(t).

• We use indirect form of inverse Laplace transform.

• That is

UNIT-II

18

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • If f(t) is defined and continuous for all non-negative values and Laplace transform of f(t) is L[f(t)] or F(s), then inverse Laplace transform of F(s) is f(t).

• We use indirect form of inverse Laplace transform.

• That is • L[f(t)] = F(s) ⇔ L−1[F(s)] = f(t).

UNIT-II

18

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

aseas

L at >>>>====

−−−−−−−− for ,

11

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

aseas

L at >>>>====

−−−−−−−− for ,

11

0 for ,sin22

1 >>>>====

++++−−−− sat

as

aL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

aseas

L at >>>>====

−−−−−−−− for ,

11

0 for ,sin22

1 >>>>====

++++−−−− sat

as

aL

0 for ,cos22

1 >>>>====

++++−−−− sat

as

sL

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

aseas

L at >>>>====

−−−−−−−− for ,

11

0 for ,sin22

1 >>>>====

++++−−−− sat

as

aL

0 for ,cos22

1 >>>>====

++++−−−− sat

as

sL

22

22

1 for ,sinh asatas

aL >>>>====

−−−−−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

19

111 ====

−−−−

sL

aseas

L at >>>>====

−−−−−−−− for ,

11

0 for ,sin22

1 >>>>====

++++−−−− sat

as

aL

0 for ,cos22

1 >>>>====

++++−−−− sat

as

sL

22

22

1 for ,sinh asatas

aL >>>>====

−−−−−−−−

22

22

1 for ,cosh asatas

sL >>>>====

−−−−

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

(((( )))) 0 for ,sin22

1 >>>>====

++++−−−−−−−− sbte

bas

bL at

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

(((( )))) 0 for ,sin22

1 >>>>====

++++−−−−−−−− sbte

bas

bL at

(((( )))) 0 for ,cos22

1 >>>>====

++++−−−−−−−−−−−− sbte

bas

asL at

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

(((( )))) 0 for ,sin22

1 >>>>====

++++−−−−−−−− sbte

bas

bL at

(((( )))) 0 for ,cos22

1 >>>>====

++++−−−−−−−−−−−− sbte

bas

asL at

(((( ))))22

221 for ,sinh asbte

bas

bL at >>>>====

−−−−−−−−−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

(((( )))) 0 for ,sin22

1 >>>>====

++++−−−−−−−− sbte

bas

bL at

(((( )))) 0 for ,cos22

1 >>>>====

++++−−−−−−−−−−−− sbte

bas

asL at

(((( ))))22

221 for ,sinh asbte

bas

bL at >>>>====

−−−−−−−−−−−−

(((( ))))22

221 for ,cosh asbte

bas

asL at >>>>====

−−−−−−−−−−−−−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Important Formulae •

UNIT-II

20

n

nt

s

nL ====

++++++++

−−−−1

1 1|

(((( )))) 0 for ,sin22

1 >>>>====

++++−−−−−−−− sbte

bas

bL at

(((( )))) 0 for ,cos22

1 >>>>====

++++−−−−−−−−−−−− sbte

bas

asL at

(((( ))))22

221 for ,sinh asbte

bas

bL at >>>>====

−−−−−−−−−−−−

(((( ))))22

221 for ,cosh asbte

bas

asL at >>>>====

−−−−−−−−−−−−−−−−

(((( ))))nat

n teas

nL ====

−−−−++++

++++−−−−

11 1|

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties

UNIT-II

21

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

UNIT-II

21

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

�L−1[aF1(s) + bF2(s)] = aL−1[F1(s)] + bL

−1 [F2(s)].

UNIT-II

21

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

�L−1[aF1(s) + bF2(s)] = aL−1[F1(s)] + bL

−1 [F2(s)].

• First Shifting Theorem :

UNIT-II

21

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

�L−1[aF1(s) + bF2(s)] = aL−1[F1(s)] + bL

−1 [F2(s)].

• First Shifting Theorem : �L−1[F(s + a)] = e−atf(t)

UNIT-II

21

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

�L−1[aF1(s) + bF2(s)] = aL−1[F1(s)] + bL

−1 [F2(s)].

• First Shifting Theorem : �L−1[F(s + a)] = e−atf(t)

• Inverse Laplace Transform of multiplication by s :

UNIT-II

21

)()0()()]([1 tftfdt

dssFL δ++++====−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Linearity Property :

�L−1[aF1(s) + bF2(s)] = aL−1[F1(s)] + bL

−1 [F2(s)].

• First Shifting Theorem : �L−1[F(s + a)] = e−atf(t)

• Inverse Laplace Transform of multiplication by s :

• Inverse Laplace Transform of division by s :

UNIT-II

21

)()0()()]([1 tftfdt

dssFL δ++++====−−−−

∫∫∫∫====

−−−−t

dttfs

sFL

0

1 )()(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties

UNIT-II

22

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

UNIT-II

22

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

UNIT-II

22

)()(1 ttfsFds

dL −−−−====

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

• Inverse Laplace Transform of Integral :

UNIT-II

22

)()(1 ttfsFds

dL −−−−====

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

• Inverse Laplace Transform of Integral :

UNIT-II

22

)()(1 ttfsFds

dL −−−−====

−−−−

t

tfdssFL

s

)()(1 ====

∫∫∫∫∞∞∞∞

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

• Inverse Laplace Transform of Integral :

• Second Shifting Theorem :

UNIT-II

22

)()(1 ttfsFds

dL −−−−====

−−−−

t

tfdssFL

s

)()(1 ====

∫∫∫∫∞∞∞∞

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • Inverse Laplace Transform of Derivative :

• Inverse Laplace Transform of Integral :

• Second Shifting Theorem : L−1[e−asF(s)] = f(t − a)u(t − a).

UNIT-II

22

)()(1 ttfsFds

dL −−−−====

−−−−

t

tfdssFL

s

)()(1 ====

∫∫∫∫∞∞∞∞

−−−−

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties

UNIT-II

23

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • If f(t) is periodic with period T and L[f(t)] = F(s), then :

UNIT-II

23

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • If f(t) is periodic with period T and L[f(t)] = F(s), then :

UNIT-II

23

(((( )))) (((( ))))sFedttfeL sT

T

st −−−−−−−−−−−− −−−−====

∫∫∫∫ 1)(0

1

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • If f(t) is periodic with period T and L[f(t)] = F(s), then :

• Convolution Theorem :

UNIT-II

23

(((( )))) (((( ))))sFedttfeL sT

T

st −−−−−−−−−−−− −−−−====

∫∫∫∫ 1)(0

1

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • If f(t) is periodic with period T and L[f(t)] = F(s), then :

• Convolution Theorem : If L[f1(t)] = F1(s) and L[f2(t)] = F2(s), then

UNIT-II

23

(((( )))) (((( ))))sFedttfeL sT

T

st −−−−−−−−−−−− −−−−====

∫∫∫∫ 1)(0

1

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Inverse Laplace Transform Properties • If f(t) is periodic with period T and L[f(t)] = F(s), then :

• Convolution Theorem : If L[f1(t)] = F1(s) and L[f2(t)] = F2(s), then

UNIT-II

23

(((( )))) (((( ))))sFedttfeL sT

T

st −−−−−−−−−−−− −−−−====

∫∫∫∫ 1)(0

1

[[[[ ]]]] ∫∫∫∫ −−−−====−−−−t

dtxtfxfsFsFL0

21211 )()()()(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

• Steps in obtaining solutions :

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

• Steps in obtaining solutions : �Take Laplace transform on both sides of equation(s).

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

• Steps in obtaining solutions : �Take Laplace transform on both sides of equation(s).

�Substitute boundary or initial values.

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

• Steps in obtaining solutions : �Take Laplace transform on both sides of equation(s).

�Substitute boundary or initial values.

�Rearrange the terms.

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Solution of Differential Equations • Differential equations with boundary/initial conditions can be solved by coupled use of Laplace and inverse Laplace transforms

• Systems of simultaneous differential equations with similar conditions can also be solved by these techniques.

• Steps in obtaining solutions : �Take Laplace transform on both sides of equation(s).

�Substitute boundary or initial values.

�Rearrange the terms.

�Take inverse Laplace transform to get solution(s).

UNIT-II

24

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction

UNIT-III

25

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Integral transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

UNIT-III

25

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Integral transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

• There are various integral transforms.

UNIT-III

25

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Integral transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

• There are various integral transforms. • The choice of a particular integral transform in solving a differential equation depends upon its own nature and the boundary or initial conditions prescribed for it.

UNIT-III

25

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Introduction • Integral transforms help in solving the differential equations with boundary conditions without finding the general solution and the values of the arbitrary constants.

• There are various integral transforms. • The choice of a particular integral transform in solving a differential equation depends upon its own nature and the boundary or initial conditions prescribed for it.

• In every integral transform, the function is multiplied by a function called kernel and integrated between specific limts.

UNIT-III

25

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms

UNIT-III

26

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

UNIT-III

26

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

There is no explicit formula for its inverse.

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

There is no explicit formula for its inverse.

2. Fourier Complex Transform :

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

There is no explicit formula for its inverse.

2. Fourier Complex Transform :

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−−

======== dxxfesFxfF isx )(2

1)(

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

There is no explicit formula for its inverse.

2. Fourier Complex Transform :

Inverse Fourier complex transform is given by

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−−

======== dxxfesFxfF isx )(2

1)(

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 1. Laplace Transform :

There is no explicit formula for its inverse.

2. Fourier Complex Transform :

Inverse Fourier complex transform is given by

UNIT-III

26

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

)()( dxxfesFxfL sx

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−−

======== dxxfesFxfF isx )(2

1)(

π

∫∫∫∫∞∞∞∞

∞∞∞∞−−−−

−−−−==== dssFexf isx )(2

1)(

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms

UNIT-III

27

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

UNIT-III

27

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

∫∫∫∫∞∞∞∞

====0

sin)(2

)( sxdssFxf sπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

4. Fourier Cosine Transform :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

∫∫∫∫∞∞∞∞

====0

sin)(2

)( sxdssFxf sπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

4. Fourier Cosine Transform :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

∫∫∫∫∞∞∞∞

====0

sin)(2

)( sxdssFxf sπ

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

cos)(2

)( sxdxxfsFxfF ccπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

4. Fourier Cosine Transform :

Inversion :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

∫∫∫∫∞∞∞∞

====0

sin)(2

)( sxdssFxf sπ

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

cos)(2

)( sxdxxfsFxfF ccπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 3. Fourier Sine Transform :

Inversion :

4. Fourier Cosine Transform :

Inversion :

UNIT-III

27

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

sin)(2

)( sxdxxfsFxfF ssπ

∫∫∫∫∞∞∞∞

====0

sin)(2

)( sxdssFxf sπ

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

cos)(2

)( sxdxxfsFxfF ccπ

∫∫∫∫∞∞∞∞

====0

cos)(2

)( sxdssFxf cπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms

UNIT-III

28

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

UNIT-III

28

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

∫∫∫∫∞∞∞∞

====0

)()()( dssFsxsJxf n

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

6. Hilbert Transform :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

∫∫∫∫∞∞∞∞

====0

)()()( dssFsxsJxf n

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

6. Hilbert Transform :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

∫∫∫∫∞∞∞∞

====0

)()()( dssFsxsJxf n

(((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−− −−−−==== dx

xs

xfsF

)(1

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

6. Hilbert Transform :

Inversion :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

∫∫∫∫∞∞∞∞

====0

)()()( dssFsxsJxf n

(((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−− −−−−==== dx

xs

xfsF

)(1

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 5. Hankel Transform :

Inversion :

6. Hilbert Transform :

Inversion :

UNIT-III

28

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

========0

)()()( dxxfsxxJsFxfH n

∫∫∫∫∞∞∞∞

====0

)()()( dssFsxsJxf n

(((( )))) ∫∫∫∫∞∞∞∞

∞∞∞∞−−−− −−−−==== dx

xs

xfsF

)(1

π

∫∫∫∫∞∞∞∞

∞∞∞∞−−−− −−−−−−−−==== ds

xs

sFxf

)(1)(

π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms

UNIT-III

29

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 7. Mellin Transform :

UNIT-III

29

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 7. Mellin Transform :

UNIT-III

29

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

1 )()( dxxfxsFxfM s

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 7. Mellin Transform :

There is no explicit formula for its inverse.

UNIT-III

29

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

1 )()( dxxfxsFxfM s

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integral Transforms 7. Mellin Transform :

There is no explicit formula for its inverse.

• Out of the seven integral transforms introduced here, two do not have explicit formulae for their inverse transforms.

UNIT-III

29

[[[[ ]]]] (((( )))) ∫∫∫∫∞∞∞∞

−−−−========0

1 )()( dxxfxsFxfM s

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals

UNIT-III

30

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 1. Fourier Integral Theorem :

UNIT-III

30

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 1. Fourier Integral Theorem :

UNIT-III

30

(((( ))))∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

∞∞∞∞−−−−

−−−−====0

cos)(1

)( dtduxtutfxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 1. Fourier Integral Theorem :

2. Fourier Sine Integral :

UNIT-III

30

(((( ))))∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

∞∞∞∞−−−−

−−−−====0

cos)(1

)( dtduxtutfxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 1. Fourier Integral Theorem :

2. Fourier Sine Integral :

If f(x) is an odd function, then it has Fourier sine integral given by

UNIT-III

30

(((( ))))∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

∞∞∞∞−−−−

−−−−====0

cos)(1

)( dtduxtutfxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 1. Fourier Integral Theorem :

2. Fourier Sine Integral :

If f(x) is an odd function, then it has Fourier sine integral given by

UNIT-III

30

(((( ))))∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

∞∞∞∞−−−−

−−−−====0

cos)(1

)( dtduxtutfxfπ

∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

====0 0

sin)(sin2

)( utdttfuxduxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

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॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals

UNIT-III

31

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 3. Fourier Cosine Integral :

UNIT-III

31

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 3. Fourier Cosine Integral :

If f(x) is an even function, then it has Fourier cosine integral given by

UNIT-III

31

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 3. Fourier Cosine Integral :

If f(x) is an even function, then it has Fourier cosine integral given by

UNIT-III

31

∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

====0 0

cos)(cos2

)( utdttfuxduxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 3. Fourier Cosine Integral :

If f(x) is an even function, then it has Fourier cosine integral given by

4. Fourier Complex Integral :

UNIT-III

31

∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

====0 0

cos)(cos2

)( utdttfuxduxfπ

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Various Integrals 3. Fourier Cosine Integral :

If f(x) is an even function, then it has Fourier cosine integral given by

4. Fourier Complex Integral :

UNIT-III

31

∫∫∫∫ ∫∫∫∫∞∞∞∞ ∞∞∞∞

====0 0

cos)(cos2

)( utdttfuxduxfπ

∫∫∫∫ ∫∫∫∫∞∞∞∞

∞∞∞∞−−−−

∞∞∞∞

∞∞∞∞−−−−

−−−−==== dtetfduexf iutiux )(1

)(2π

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform

UNIT-III

32

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property :

UNIT-III

32

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property : F[af1(x) + bf2(x)] = aF[f1(x)] + bF[f2(x)].

UNIT-III

32

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property : F[af1(x) + bf2(x)] = aF[f1(x)] + bF[f2(x)].

• Change of Scale Property :

UNIT-III

32

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property : F[af1(x) + bf2(x)] = aF[f1(x)] + bF[f2(x)].

• Change of Scale Property :

UNIT-III

32

[[[[ ]]]]

====a

sF

aaxfF

1)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property : F[af1(x) + bf2(x)] = aF[f1(x)] + bF[f2(x)].

• Change of Scale Property :

• Shifting Property :

UNIT-III

32

[[[[ ]]]]

====a

sF

aaxfF

1)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Linearity Property : F[af1(x) + bf2(x)] = aF[f1(x)] + bF[f2(x)].

• Change of Scale Property :

• Shifting Property :

UNIT-III

32

[[[[ ]]]]

====a

sF

aaxfF

1)(

[[[[ ]]]] (((( ))))sFeaxfF isa====−−−− )(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform

UNIT-III

33

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

UNIT-III

33

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))sFds

dixfxF

n

nnn −−−−====)(

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

• Fourier Transform of Derivative :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))sFds

dixfxF

n

nnn −−−−====)(

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

• Fourier Transform of Derivative : F[f '(x)] = isF(s) if f(x) → 0 as x → ±∞.

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))sFds

dixfxF

n

nnn −−−−====)(

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

• Fourier Transform of Derivative : F[f '(x)] = isF(s) if f(x) → 0 as x → ±∞.

• Fourier Transform of Integral :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))sFds

dixfxF

n

nnn −−−−====)(

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Properties of Fourier Transform • Modulation Theorem :

• Fourier Transform of Multiplication by x :

• Fourier Transform of Derivative : F[f '(x)] = isF(s) if f(x) → 0 as x → ±∞.

• Fourier Transform of Integral :

UNIT-III

33

[[[[ ]]]] (((( )))) (((( ))))sFds

dixfxF

n

nnn −−−−====)(

(((( ))))(((( ))))is

sFdxxfF

x

a−−−−

====

∫∫∫∫ )(

[[[[ ]]]] (((( )))) (((( ))))[[[[ ]]]]asFasFaxxfF −−−−++++++++====2

1cos)(

Paper No. 12(B.A.) / 17(B.Sc.) Paper No. 12(B.A.) / 17(B.Sc.) Integral Transforms Integral Transforms ॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

E-CONTENT BY DR.N.A.PANDE E-CONTENT BY DR.N.A.PANDE B.A./B.Sc.(Mathematics)–3rd Year–6th Sem. B.A./B.Sc.(Mathematics)–3rd Year–6th Sem.

॥॥॥॥ ीह रीह रीह रीह र: : : : ॥॥॥॥

Integral Transforms INTEGRAL TRANSFORMS

34

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