b lukeiou algebra theoria askiseis

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    :

    [ , y= (x),

    y=(x).

    [ : x =,x=, x= .

    [ - ,

    -

    .

    [ .[ .

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    10. -

    : -

    +

    +

    +

    +

    +

    -

    -

    -

    -

    -

    +

    +

    V

    -

    +

    -

    -

    o o o o o o0 30 45 60 90 180 270 360

    30 2

    6 4 3 2 2

    1 2 30 1 0 1 0

    2 2 2

    3 2 11 0 1 0 1

    2 2 2

    30 1 3 0 0

    3

    33 1 0 0

    3

    ()

    (rad)

    2 2 1+ = R

    = R

    , 0

    = R , 0

    1 = R , 0

    2

    2

    2

    1 =

    + R , 0

    22

    1

    1 =

    + R , 0

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    11. -

    x

    x

    x

    x

    x

    x2 90 xx

    x

    x

    x

    x2 +90 x+x

    x

    x

    x

    x180 x

    x

    xx

    x

    x+180 x+

    x

    xx

    x

    3

    x2 270 x

    xx

    x

    x

    3

    x2 +270 x+

    xx

    x

    x

    2 x360 x

    xx

    x

    x

    2 x+360 x+

    x

    x

    x

    x

    f , *T R+

    x A :

    i. x T A, x T A+ , ii. ( ) ( ) ( )f x T f x T f x+ = =O T f.

    -

    x (x rad)

    - :

    x = (x rad)

    -

    2 :

    (2+x) = x, x R -

    2.

    [0,2] -

    .

    -

    x (x

    rad)

    :

    x = (x rad)

    2., :

    (2+x)=x x R

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    12. -

    -

    2.

    [0,2]

    .

    -

    .

    :x

    f(x) x

    x

    = = A {x R : x 0}=

    x : ( + x) = x,

    x A . .

    x () 2

    x

    2< x +

    x2

    = -

    f f(x) = x.

    f(x) = (x), , > 0 g(x) = (x),

    , > 0

    1 x 1 1 x(x 1 ) > 0 :

    (x) - f (x) f - .

    f :2

    T

    =

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    13. -

    x x 2 = = + x 2 = + ,

    x x 2 = = ,

    x x = = + ,

    x x = = + ,

    ( + ) = - ( - ) = +

    ( + ) = + ( - ) = -

    ( )1

    ++ =

    ( )1

    =

    +

    1

    ( )

    + =

    + 1

    ( )

    + =

    1. 2 2=

    2. 2 22 = 2. 22 2 1= 2. 22 1 2 =

    3.2

    22

    1 =

    4.

    2 12

    2

    = 5.

    2

    22

    1 =

    +

    6.

    2

    2

    1 2

    1

    =

    +7. 2

    1 2

    1 2

    =

    +8. 2

    1 2

    2

    =

    9. 21 2

    2

    += 10. 33 3 4 = 11. 33 4 3=

    2

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    14. 1

    [ ]

    1 ( ) = +

    2 ( ) =

    (1) :

    [ ( )] ( )

    [ ( )] ( ) ( )

    = + = + =

    3 ( ) = +

    (/ 2 x) x = (/ 2 x) x = :

    ( ) [/ 2 ( )] [(/ 2 ) ]( / 2 ) ( / 2 )

    + = + = == + = +

    4 ( ) =

    (3) :

    [ ( )] ( )+ =

    [ ( )] ( ) ( ) + = + =

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    15. 1

    5

    ( )

    1

    ++ = , ( ) 0 0 0 .

    ( ) ( )

    ( )

    + ++ = =

    + = ( 0 )

    1

    ++

    = = +

    6

    ( )1

    = +

    A (5) :

    ( ) [ ( )]

    ( ) [ ( )]

    1 ( ) 1

    = + +

    + = = +

    [ 2]

    7 2 2

    2 ( ) 2= + = + =

    8 2 2 2 22 2 1 1 2 = =

    2 22 ( ) = + = =

    2 2 2 2 2 2 2 (1 ) 1 2 1 = = + =

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    16. 1

    2 2 2 2 2 1 1 2 = =

    9 22

    21

    =

    2

    22 ( )

    1 1

    += + = =

    102 1 2

    2+=

    (2) :

    2 2 2 1 22 2 1 2 1 2

    2

    += + = =

    11

    2 1 2

    2

    =

    (2) :

    2 2 2 1 22 1 2 2 1 2

    2

    = = =

    122 1 2

    1 2

    = +

    22

    2

    1 2 1 22

    1 2 1 2

    2

    = = =+ +

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    17. 2

    .

    2003. 1.1 : 5, 6, 7, 8

    : 2, 3

    1.2 : 5, 6, 8, 9, 10, 11, 12

    : 1, 2, 3

    1.3 : 6, 8, 10, 11

    : 1, 2, 3, 4, 6, 8

    1.4 : 6, 7, 8, 9, 10

    : 2, 3, 4, 5, 6, 7, 8, 9

    .

    2:

    :

    1, 2, 4, 5, 7, 8

    3:

    :

    2, 4, 6, 9, 13, 14, 16, 18

    4:

    :

    2, 3, 5, 8, 9, 10, 12

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    18. 3

    1. :

    2x

    f(x) x 0 , 3

    = + > R Ri. f 3 C

    f

    y y (0,1), ,R .ii. -

    .

    iii. f xx

    .

    :

    i. i H fC y y (0,1), ( ) fM 0,1 C f (0) 1 1 = =

    i xR :2x

    1 13

    ( 0> )

    2x

    3

    ( 1)

    2x

    1 1 13

    + + +

    1 f (x) 1 + + f 1+ , 1 3 2+ = = :

    2xf (x) 2 1 x

    3

    = +

    R

    ii. i H f 2

    32

    3

    = = .

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    19. 3

    [ ]0,3 .

    f :

    f :

    f :

    iii. [ ]f (x) 0 0,3= :

    2x2 1 0

    3+ =

    2x 1

    3 2 6= =

    2x 2

    3 6

    = 2x 7 7

    2 x 3 x 3

    3 6 4 4

    = + = = +

    :

    0 3 34

    7

    0 3 34

    +

    3 3

    4 4 +

    7 73 3

    4 4

    1 13

    12 12

    7 5

    12 12

    1= 0=

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    20. 3

    f x x 11

    ,0

    4

    x 34

    = 1= , 7

    ,04

    7

    x 34

    = + 0= .

    2. , -

    f

    : ( ) ( )f t t + , f(t) -

    .

    i. .

    ii. -

    f(t) 100.000 ;

    iii. 100.000 ;:

    i. O f :

    ( )f(t) t 0 t 8 0= + >

    8 :2

    8 4

    = =

    :

    1 t 1

    4

    t

    4

    t 4

    + +

    f (t) +

    25 f ( t) 125 , : 25

    125

    = + =

    2 150

    125

    = =

    75

    50

    = =

    f :

    f (t) 50 t 75 0 t 84

    = +

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    21. 3

    ii. :

    f ( t) 100= 150 t 75 100 t4 4 2

    + = =

    t 4 6

    =

    t 2

    4 6 = +

    t 2

    4 6 = +

    2

    t 83

    = + 10

    t 8 3

    = +

    [ ]t 0,8 :

    2 2 220 8 8 8

    3 3 3

    0

    10 10 140 8 8 8

    3 3 3

    +

    = +

    :2

    t3

    = 10

    t3

    =

    iii. : 1 t 5

    f ( t) 100 t4 2 6 4 6

    2 10 2 10t t ,3 3 3 3

    > > < <

    < <

    3.i. : ( ) ( ) 2 2 x y x y x y 1 = + ii. :

    1 x x

    6 6 2

    + = iii. :

    2 2 1 = + , .

    :

    i.: ( ) ( ) x y x y+ =

    ( ) ( )x y x y x y x y= + =2 2 2 2

    x y x y= =

    ( ) ( )2 2 2 2 x y 1 x 1 y= =2 2 2 2 2 2

    x y 1 y x x y= + + =2 2

    x y 1= +

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    22. 3

    ii. :

    1 x x6 6 2

    + =

    2 2 1 x 16 2+ =

    2 3 1 x 1

    4 2+ = 2

    3 x

    4= 3x

    2=

    3x

    2=

    x

    3=

    2x

    3=

    x 2

    3=

    2x 2 ,

    3=

    iii. : 2 2 1 + = + 2 2

    1 + =

    ( ) ( ) + =

    ( ) =

    ( ) 0+ =

    ( )[ ] 1 0+ =

    0= ( ) 1 =

    90= =, . 90= .

    4. .

    i. :

    12 2 2 2 2 2 + + =

    ii. 1

    2 2

    = 12 3= , .

    :

    i.: 180+ + =

    902 2 2

    + + =

    902 2 2

    + =

    :

    902 2 2

    + =

    2 2

    21

    2 2

    + =

    12 2

    1 2 2 2

    +=

    1

    2 2 2 2 2

    + =

    1

    2 2 2 2 2 2 + + =

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    23. 3

    ii. 1

    2 2

    = 1

    2 3

    = i. :

    1 1 1 1

    2 2 3 2 6 + + =

    3 2 5

    2 2 + =

    1

    2=

    45

    2=

    90= .

    5. 5 24 2 12< < = .

    i. : 5 .

    ii. ( )3 x 3 x + = , 3 225 3

    = .:

    i. :5

    212

    = 2

    2 5

    1 12=

    25 5 24 = 25 24 5 0 =

    y

    = :

    25y 24y 5 0 =

    ( ) 224 26y

    25

    =

    24 26y

    10

    =

    y 5= 1

    y5

    = . 5= 1

    5

    =

    4 2

    < < 0> , 5= .

    ii. ( )

    2

    2 2

    x 3 x 3 x 3 5 3 x

    1 x

    x 53 5 3 x 3 x 15 5 25 x 3 x 15 x

    1 5 x

    15 x 25 x 10 0 3 x 5 x 2 0

    + = + = +

    + = + + = +

    +

    + = + =

    y x= :

    23y 5y 2 0 + = ( )5 1

    y

    2 3

    =

    5 1y

    6

    = y 1=

    2y

    3

    =

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    24. 3

    x 1= 2

    x

    3

    =

    x

    4

    = + 3

    x

    25

    = + Z .

    6.. :2

    33 12 57 782

    =. : 22 67 1 22 67+ = . : ( ) ( )2 2 45 45 2 =. :

    3 3 2

    8 8 8 8 4 + =

    :

    . :

    33 57 90 + = i 57 33 =

    12 78 90 + = i 78 12 =

    33 12 57 78 = 33 12 33 12 =

    ( ) 33 12 + =2

    452

    =

    . : 23 67 90 + = i 67 23 =

    :

    22 67 1 22 67 + = 22 23 1 22 23 + =

    22 231

    1 22 23

    + =

    ( ) 22 23 1 + = 45 1 = ,

    .: ( ) ( ) ( )[ ]

    ( )

    2 2 45 45 2 45

    90 2 2

    = =

    =

    . : 3 3 2 2

    8 8 8 8 8 8 8 8

    1 1 1 2 2 2

    8 8 2 8 8 2 4 2 2 4

    + = + =

    = = = =

    7.i. : 8

    x 3 x3 3 5

    + + + =

    , :4

    x

    5

    = .

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    25. 3

    ii.

    0 x

    2

    < < 2x , 2x .iii. : ( ) y 2x 1= 17y

    31= .

    :

    i. :

    8 x 3 x

    3 3 5

    8x x 3 x x 3 3 3 3 5

    1 3 3 3 8 8 4x x x x 2 x x

    2 2 2 2 5 5 5

    + + + =

    + + =

    + + = = =

    ii. :

    2 2 x 1 x=

    2 16 x 1

    25= 2

    9 x

    25=

    3x

    5=

    3x

    5=

    0 x 2< < x 0> . 3

    x 5= .

    :3 4 24

    2x 2xx 25 5 25

    = = =i

    2 16 72x 2 x 1 2 1

    25 25= = =i

    2x 242x

    2x 7= =i

    iii. : ( ) y 2x 1+ = y 2x

    11 y 2x

    + =

    24 24y 1 y

    7 7+ =

    7 y 24 7 24 y + = 31 y 17 = 17

    y31

    =

    8.i. : 2 2 x x 2

    x8 2 8 2 2

    + =

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    26. 3

    ii. :

    2

    2 2 x x

    4 2x8 2 8 2

    + =

    :

    i. :

    2 2 x x 8 2 8 2

    + =

    1 x 1 x

    4 4

    2 2

    + =

    1 x 1 x

    4 42

    + + =

    x x

    4 42

    + =

    x x x x

    4 4 4 4

    2

    + + =

    2x

    24 x x2 4 2

    = =

    ii. :

    2

    2 2

    2

    2

    x 4 2x

    8 2 8 4

    24 x 2x 2 x 2x

    2

    1 2x2 2x 1 2x 2x

    2

    1 1 2 2x 2x 2x

    2 3

    2x 2 x ,

    3 6

    + =

    = =

    = =

    = = =

    = = Z

    9.i.

    4 : 2 4x x 0+ = , 2 .

    ii. 0 , .

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    27. 3

    :

    i. 4

    :

    2 0

    4 + =

    1 0

    2 + = 2=

    ii. :

    2 4x 2 x 0 0 + =

    24x 2 x 0+ = 21 2x

    2 2x 1 2 02

    + =

    22 2x 1 1 2x 0 + = 22 2x 2x 0 =

    ( )2x 2 2x 1 0 = 2x 0= 1

    2x2

    =

    2x 2

    = +

    2x 3

    =

    x2 4

    = +

    2x 23

    =

    x2 4

    = +

    x , 6

    = Z

    10. 3 3f(x) x x x x x .i. :

    1f(x) 4x

    4=

    ii. : 1

    f(x) f x3 8 4

    + = iii. :

    g(x) 8 f (x) 1 x :

    i. x :

    ( )2 21

    f(x) x x x x f (x) 2x x 2x2

    1 1 1f(x) 2x 2x f (x) 2 2x 2x f (x) 4x

    2 4 4

    = =

    = = =

    ii. :

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    28. 3

    1 1 14x 4x

    4 3 4 2 4

    + =

    4x 4x 1

    3+ =

    4x 4x 1

    3+ =

    34x 4x 1

    3

    + =

    4x 4x

    3 3 3 + =

    4x

    3 6

    + =

    4x 23 6

    + = + 54x 23 6

    + = +

    4x 2

    6=

    4x 2

    2= + x

    2 24=

    x ,

    2 8= + Z

    iii. x : g(x) 8 f (x) 1 2 4x 1= =

    x : 1 4x 1

    2 2 4x 2

    3 2 4x 1 1

    3 g(x) 1 -3, 1 g.

    11.i. : ( ) ( )2

    1 2 1 2

    =+ +ii. :

    1 2

    2

    + + =+iii. : ( ) ( )

    2x x 1 2x x

    1 2x 1 x 2x x

    + +=+ + +:

    i. : ( ) ( ) ( ) ( )22 2

    1 2 1 1 2 1 1

    = =

    + + + +

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    29. 3

    ( ) ( )

    2

    22

    2

    2 2 2 21 2 1 1 2 12

    = = =+ + +

    2

    2

    2 2 2 2

    2 2 2

    = =

    ii. :

    ( )

    ( )

    21 2 1 2 1

    2 2

    2 1

    2 1

    + + + += =+ +

    += =

    +

    iii. :( ) ( )

    2x x 1 2x x

    1 2x 1 x 2x x

    + +=

    + + +

    x x2 =

    x 1 2 x=

    xx 12 = 2

    x2

    x2 1x 2

    1 2

    =

    2 2x x2 1

    2 2 = 2

    x3 1

    2 = 2

    x 1

    2 3=

    x 3

    2 3=

    x 3

    2 3=

    x

    2 6=

    x

    2 6=

    x

    2 6= + x

    2 6=

    x 2 3= +

    x 2 , 3= Z

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    30. 4

    1. :

    i.x

    f (x) 2 2= , ii. g(x) 23x , iii.

    xh(x) 1 3

    4= + : . ,

    . , .

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    2. t -

    t :t

    12

    = 0 C, [ ]t 0, 24 .. 2

    4 C.

    .

    .

    ............................................................................................................................

    ............................................................................................................................

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    31. 4

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    3. :

    i. 1x2

    = , ii. 32x2 3

    = , iii. x3 3 04+ =

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    4. :i. 3 3 x x 3xx(x x)= +ii. 2 2 2x 3x 1=iii.

    1x x

    x+ =

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    32. 4

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    5. : f (x) 3 x4

    = + . x f

    [ ]0, 2 .. f

    xx.

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    6. : 2 5 3 0+ =i. :

    1

    2=

    ii. :3

    2

    : 2, 2 2.

    ...........................................................................................................................

    ...........................................................................................................................

    ............................................................................................................................

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    33. 4

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    7. :

    x x1 x + =

    2

    1 2 x 1 x 2 += + +

    i. x.

    ii. =

    3, : 3 3= + .

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    8. :

    i. 1 2x 2( x)+ = ii. 2 4x 1 x2 2

    =iii.

    2 2 1 2x 2x2

    =...........................................................................................................................

    ...........................................................................................................................

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    34. 4

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    9. : 5 11 7 11 1 1 1 12 12 12 12 16

    + + + + = ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    10. :2

    2

    1 (135 )2

    1 (135 )

    = + ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    35. 4

    11. ( )f x x x .i. f : ( ) 5f x 2 x

    4

    = ii. : x x 1=

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    12. 1 21 1 2

    + =

    12.

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    36. 4

    13. ( ) 4 f x x x3 3

    = + .i. : ( ) 3 1f x 2x

    4 2=

    ii. : ( ) ( )f x f x= iii. [ )x 0, 2 f .

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    37. 5

    1

    .

    , ,

    2

    + + , , : ( )

    1

    ++ =

    ( 5)

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    .i.

    6 2 2

    1 x 2x

    2+ = , .

    ( 5)

    ii. . :2

    22

    =

    ( 5)

    iii. :2 2 2

    4 4

    =

    ( 5)

    iv. :

    2

    1 2 2

    + = +

    ( 5)

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    38. 5

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    2

    :

    .2

    19 26 71 642

    + = ( 5)

    .

    2 2

    2 2

    5 38 2

    1 5 3

    =

    ( 10)

    . 3 3 2

    2 8 8 4

    + = ( 10)

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    3

    : .

    x x 13 3

    + =

    ( 10)

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    39. 5

    . 2x

    2x 2 0

    2

    + = ( 15)

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    4

    ( ) 4 4f x x x= + x R .

    . ( )4x 3

    f x4

    += , x R . ( 5)

    . f. ( 10)

    . ( )8f x 7=

    0,2

    . ( 10)

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

    ............................................................................................................................

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    :

    [ - x, : ,

    , .

    [ - , -, , .

    [ - , , -, - -

    .

    [ P(x):(x).[ Horner

    P(x):(x).

    [ : ( ) ( ) ( ) ( )= = P p 0 P x x x .[ 2 -

    .

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    42. -

    : -

    x x R ,* N x R.

    x .

    , ..

    3 50x , 0x .

    , .. o o7 7 x , 9 9 x= = .

    x

    1 1 1 0

    x x ... x + + + + , 0 1 1 , , ..., , R , x

    R.

    x ( ) ( ) ( ) ( )P x , Q x , f x , x ....

    : ( ) 1 1 1 0

    P x x x ... x = + + + +

    : ( ) 3 2Q x x 4x x 5= + + x.

    ( ) 00

    x x= .

    0.

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    43. -

    ( ) 1 1 1 0

    P x x x ... x , 0+ + + + -: 0 x ,...,

    - : 0 x.

    -: 1 1 0 , ,..., , .

    - : .

    - x = : ( ) 1 0

    P ... = + + +

    ( )P x x .

    -: R ( )P x , , ( )P 0= .

    .

    x ,

    .

    ( ) 1 1 1 0

    P x x x ... x = + + + +

    ( ) 1 1 1 0

    Q x x x ... x = + + + +

    x , :

    ( ) ( ) 0 0 1 1

    1 2

    , , ..., P x Q x

    ... 0+ +

    = = == = = = =

    1 ( )

    (x) (x) ( ) x 0

    (x) ( ) x : ( ) ( ) ( ) ( ) x x x x= +

    ( ) x -

    ( ) x .

    ( )

    ( )

    ( )

    ( )

    x x

    x

    x ( ) ( ) ( ) ( ) x x x x= +

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    44. -

    ( ) x ( ) x ( ) x

    ( ) x ( ) x , ( ) x 0= .

    ( ) ( ) x : x ( ) x 0= .

    : ( ) ( ) ( ) x x x= ( ) x

    ( ) x .

    :

    - ( ) x ( ) x , ( ) x ( ) x , ( ) ( ) x : x , ( ) x : ( ) ( ) ( ) x x x=

    2

    ( )P x x

    ( )P .

    ( )

    ( )

    ( )

    x x

    x

    =

    : ( ) ( ) ( ) ( )P x x x = +

    3

    ( )P x x , ,

    ( )P x .

    : ( ) ( ) ( ) ( )P x x x P 0= =

    4 ( )

    ( ) v 1 0

    P x x ... x = + + + , , ..., 1, 0 ,

    , 0 0 .

    0 .

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    45. 1

    1 (x) (x) ( ) x 0 - (x) ( ) x : ( ) ( ) ( ) ( ) x x x x+ (x)

    (x).

    ( )

    ( )

    ( )( )

    x x

    x

    x

    : ( ) ( ) ( ) ( ) x x x x+ ( ) x ( ) x ( ) x ( ) x -

    ( ) x , ( ) x 0 .

    2 ( )P x x x . -

    ( ) P .

    ( )P x x ( ) ( ) ( )P x x x = + ,

    ( ) x -

    x .

    A x = , ( ) ( ) ( ) ( )P 0 = + = + , ( )P = .

    ( )

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    46. 1

    3 ( )P x x , , ( )P x .

    x ( )P x ( ) ( ) ( )P x x x= .

    x = , ( ) ( ) ( )P 0= = , ( )P x . :

    ( )P x ( )P 0= ,

    ( )P x x : P() 0= =:

    ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )P x x x P P x (x ) x 0 P x x x= + = + = , -

    x ( )P x .

    4 :

    1 1 1 0

    x x x 0 + + + = , . 0

    .

    0 , : 1 1 1 0 0

    + + + + =

    1 2

    1 2 1 0 0

    ( ) 0 ( )

    + ++ + = =

    , 1 1 1 ...

    = + + .

    Z 0 .

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    47. 2

    .

    2003. 2.1 : 3, 4, 6, 7

    : 1, 2, 3, 4, 5

    2.2 : 1, 2, 3, 4, 5, 7, 8, 9, 10

    : 1, 2, 3, 4, 5

    2.3 : 1, 2, 4, 5, 6, 7

    : 1, 2, 3, 5

    2.4 : 1, 2, 3

    : 5

    .

    5:

    :

    2, 5, 6, 9, 10, 11, 12, 13

    6:

    :

    4, 5, 6, 7, 8, 9, 10, 11

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    48. 3

    1. : ( ) ( )3 3 3 2 2 2q(x) 4 x 4 4 x 3 2 + + + +i. q(x) .

    ii. x 1 q(x) .

    iii.

    q y 7x 8 + .:

    i.

    x.

    3 4 0 = ( )2 4 0 = ( ) ( ) 2 2 0 + = 0= 2 0

    = 2 0

    + = 0= 2= 2= :

    1. 0 , 2 , 2 q(x)

    2. 0= q(x) 2= q(x)

    3. 2= q(x) 0= q(x) .

    4. 2= 2q(x) 32x 12= + q(x) .

    ii. x 1 q(x), , 1 q(x) :

    ( ) ( )

    ( ) ( ) ( )

    ( ) ( ) ( ) ( )

    3 3 2 2

    3 2 3

    2

    2 2

    q(1) 0 4 4 4 3 2 0

    2 3 3 2 0 2 1 3 1 0

    2 1 1 3 1 0

    1 2 2 2 3 0 1 2 5 2 0

    = + + + + =

    + = + + =

    + + + =

    + + = + + =

    1 0+ = 2

    2 5 2 0 + = 1=

    ( )5 9

    2 2

    =

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    49. 3

    1= 5 3

    4

    = 1= 2=

    1

    2

    =

    iii. 1= : 3 2q(x) 3x 9x 6= +

    q(x) y 7x 8= + :

    3 2 3 2q(x) y 3x 9x 6 7x 8 3x 9x 7x 2 0= + = + + =

    3 2G(x) 3x 9x 7x 2= + , - Horner 2 ( 2 -

    -2 ) :

    ( ) ( )2G(x) x 2 3x 3x 1= +

    : ( ) ( )2x 2 3x 3x 1 0 + =

    x 2 0 = 23x 3x 1 0 + =

    x 2= 0 >

    < > +

    9. :

    ( ) ( )3 2 2x 2 x 1 1 6x 16 x 10 x 2 0 = + + + =i. .

    ii. :

    ( ) ( )3 2 26x 16 x 10 x 2 0+ + + >

    4 3 24x 4x 7x 2x 1 + + + 24x 1 4 24x x + 2x x 2 + 3 24x 8x 2x 1 + + +

    34x x

    2

    8x x 1+ + 28x 2 + x 3+

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    57. 3

    :

    i. :

    ( ) ( )2 2

    x 2 0

    x 1 0x 2 x 1 1 x 2 x 1 1

    x 2 x 1 1

    + + = + = +

    + = +

    x 2x 1 x 1 x 1

    x 1 x 21 x 1 x 21 x 1

    x 2 x 1 1 2 x 1

    = = == + = + + 2 , :

    ( ) ( )

    ( )

    2 2

    2 2

    48 4 16 2 10 2 0 48 4 64 2 20 2 0

    1 9 14 2 2 0 2 1 0 1

    2 2 2

    + + + = + + =

    + + = = = = =

    ii. =1 : 3 26x 17x 11x 2 0 + =

    3 2q(x) 6x 17x 11x 2= +

    Horner 2 :: ( ) ( )2q(x) x 2 6x 5x 1= +

    : ( ) ( )2x 2 6x 5x 1 0 + =

    x 2 0 = 26x 5x 1 0 + =

    x 2= ( )5 1

    x2 6

    =

    x 2= 5 1

    x12

    =

    x 2= 1

    x2

    = 1

    x3

    =

    q(x) :

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    58. 3

    : ( )3 21 1

    6x 17x 11x 2 0 q(x) 0 x , 2 ,

    3 2

    + > > +

    10. mgr :

    3 2q(t) t t 9t , t 0 + + + > .

    1 16 mgr -

    2 27 mgr:

    i. , .

    ii. ;

    :

    i. : ( )q 1 16= ( )q 2 27=

    q(1) 16 1 9 16 8= + + + = + =

    ( )q 2 27 8 4 18 27 4 17= + + + = + =

    : 8 8 3 9 3

    4 17 4 17 8 5

    + = = = = + = + = + = =

    : 3 2q(t) t 3t 9t 5, t 0= + + + >ii. , ( )q t 0= .

    : q(t) 0= 3 2t 3t 9t 5 0 + + + = Horner 1 -

    : ( ) ( )2q(t) t 1 t 4t 5= + + + :

    ( ) ( )2t 1 t 4t 5 0+ + + = t 1 0+ = 2t 4t 5 0 + + =

    t 1= 4 36

    t2

    =

    t 1=

    4 6t

    2

    =

    t 1= t 5= t 1= t 0> t 5= . 5 .

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    59. 4

    1. : ( ) ( )2 4P(x) 1 x 1 x 1 + + + . R , (x) ............................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    2. :

    2f (x) 4x x 9+ + ( )( ) ( )h(x) x 4 x 3 x x 2 + + + + ,, ............................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    60. 4

    3.

    .i. ( ) ( )4 3 2 210x x 24x 19x 14 : 2x 3x 1 + +ii. ( ) ( )4 2x 4x x 2 : x 2 + iii. ( ) ( )3 2x x 5x 6 : x 1+ +iv. ( ) ( )3 2 2x x x 2 : x + + +...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    4. : ( )3 2 3P(x) x x 2 1+ + + , 0,2

    , ( )x 1.i. .

    ii. : P(x) 3 .

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    61. 4

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    5. 3 2P(x) x x 3x 2 + , - 2x 1 , (x) 3x 2 + . , ............................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    6. (x) ( )x 2 ( )x 3 1 10 . (x) 2x x 6 ............................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    7. : 3 2f (x) 2x 3x 5x 6 +i. f

    xx yy .

    ii. f (x) 0 .

    ...........................................................................................................................

    ...........................................................................................................................

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    62. 4

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    8. : i. 5 4 3 2x 4x 6x 6x 5x 2 0+ + =ii. ( ) ( )8 4x 2 3 x 2 4 0 + =iii. 3 22 x 5 x 4x 2 0 + =

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    9. : i.

    4 3x 3x 6x 4 0+

    ii.( )

    22 5 x 1x

    x 3 3 x

    > ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    63. 4

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    10. : ( )3 2P(x) 2x 5x 1 x 2 3+ + . , R ( )2x 1 (x) .

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    11. : ( )3 2P(x) x 2x 1 x 3 + , , Ri. (x) ( )2x 2 , 21

    21 .ii. , i.:

    . 1

    (x) P( x) : ( x 2) .

    . 2

    (x) 2P( x) : ( x 2) .

    . 1 2

    (x) (x) 0> ............................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    64. 4

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    12. 4 3 2f(x) x 2x 2x x 6+ + , R . f xx M(2,0),

    .

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    65. 5

    1

    . (x) 1

    . :

    x ( ) ( ) x x( 5)

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    .i. R ( ) 2P x 1= .( 5)

    ii. ( ) 2004 2P x x x 1= + + . - (x) x 1.

    ( 5)

    iii. : ( ) ( )2v 1 2v 1 2v 1P x x y x y+ + += + + + , *v N R . x y+ (x).

    ( 5)

    iv. : ( ) 3 2P x x 2x x 1= + + + , . () .

    ( 5)

    ...........................................................................................................................

    ...........................................................................................................................

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    66. 5

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    2

    : ( ) 3 2P x x 2x 6x

    = + + +. x (x) 4 4= .

    ( 5)

    . x 1+ (x) 6 .( 10)

    .

    ,02

    , : ( )P x 0=

    ( 10)

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    67. 5

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    3

    : x 3 2x 7 1+ + =

    ( ) ( ) ( )4 3 2P x x 22 1 x 3x 12 8 x 4= + + . .

    ( 5)

    . x (x) .

    ( 10)

    .

    0,2

    ( ) x 0= ( ) x 0< .

    ( 10)...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    4

    : ( ) 3 2 x x 2x x = + +i. x (x) 2, .

    ( 5)

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    68. 5

    ii. : ( ) x 0=

    ( 10)iii. 2x 22 4 + (x), R .

    ( 10)

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

    ...........................................................................................................................

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    :

    [ , , .

    [ , , ,

    .

    [ : , , , S .[ -

    ( - ).

    [ .

    [ - +1

    + 1

    .

    [ .[ ,

    .

    [ -

    .

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    70. - -

    - : -

    *

    .

    .

    1,

    2,

    3... , ,

    ... .

    .

    . :

    .

    .. 2 1= , 1 1= , 2 3= , 3 5= ,

    .

    .. 1 1= , 2 3= 2 1 + += +

    : 3 2 1 1 1 2= + = + =

    4 3 2 2 1 3= + = + =

    5 4 3 3 2 5= + = + =

    .. 100

    99 .

    (..)

    (.) -

    .

    .

    , , :*

    1 1 , + += + =

    .

    1

    : ( ) 1 1 = +

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    71. - -

    . , , ,

    2

    +=

    . ,, .. , ,

    2

    +=

    . .. :

    1 2 S .... = + + + :

    ( ) 1

    S 2

    = + ( ) 1

    S 2 1 2

    = +

    (..) -

    .

    .

    1

    0

    0

    0 , * .

    ( )

    1

    1

    ++ = = , .

    . 1

    : 1 1

    =

    . , 0 , ,

    =

    . , , .. , , 2 =. ..

    1 2 S ... = + + +

    1

    1S

    1

    =

    1

    1S = 1= .

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    72. - 1

    1

    1 : ( )

    1 1 +

    :

    1 1

    2 1

    3 2

    4 3 1

    1 2

    1

    : ( 1)

    = = + = += + = +

    = += +

    2 ( ). , ,

    :

    2 + 2

    += , , . :

    =

    2 2

    + = = + = + = + =

    3 1

    : 1 1

    =

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    73. 1 -

    :

    1 1

    2 1

    3 2

    1

    4 3 1

    1 2

    1

    :

    = = == ===

    4 ( ). , ,

    :

    2

    ,, 0 . :

    =

    2

    = = =

    5 .

    1 :

    1

    1S

    1

    = .

    :2 2 1

    1 1 1 1 1S = + + + + + (1)

    (1) :

    2 3 1 1 1 1 1 1S

    = + + + + + (2)

    : 1 1S S =

    1S ( 1) ( 1) =

    1 :

    1

    1S

    1

    =

    :

    = 1 1 1S = .

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    74. - 2

    .

    2003. 3.2 : 3, 4, 5, 10, 12

    : 1, 2, 4, 5, 6, 7, 8, 12, 13, 14, 16

    3.3 : 3, 4, 5, 6, 7, 11, 12, 13

    : 1, 2, 3, 4, 5, 6, 7, 9, 10, 13, 14

    .

    7:

    :

    2, 3, 4, 5, 6, 8, 12, 13, 14, 17,

    18, 22, 25, 27

    8: :

    2, 3, 4, 5, 7, 9, 14, 15, 18, 24,

    28, 29, 31

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    75. 3 -

    1.i. :3 2

    2

    3 2

    1

    + += + + . ..* .

    ii. 28.

    iii. :1 4 7 61

    + + +iv. : ( )2 6 S 3 2= + + , .

    :

    i. :

    ( ) ( )2

    2

    3 2 1 3 2,

    1

    + += = + +

    : ( ) ( ) 1 3 1 2 3 2+ = +

    1 3 3 2 3 2+ = + +

    1 3+ = 1 3+ = +

    .. : 1 1 3= =

    ii.: 28= 3 2 28 = 3 30= 10=

    28.

    iii. 1 4 7 61 , , , , .. 1 1 1= =

    3 3 3 9 = = = :

    3 23 2+ + + 2 1+ + 3 23 3 3 3 2

    22 2 2 + 22 2 2+ 0

    *

    .. .

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    76. - 3

    ( ) ( ) ( )

    ( )

    1 61 1 1 1 1 1 9 60 1 9

    180 1 9 20 1 21

    = + = + + = +

    = = =

    ( )11 4 7 61 12 20

    21 10 212

    + + + + + = = + =

    ( )1 90 21 91 21 1911= + = =iv. :

    ( )( )[ ] ( )1 2

    2 1 6 S 6 3 2 1 3 3 3 1 9 3

    2

    + = = + = = i

    ( ) ( )22 23 2 3 3 2 2 3 9 + + = + + = +i

    : ( )2

    6 S 3 2 = + + .

    2.. .. 18 , S 88 2 . 1 .

    . ..

    16 15

    :

    . :

    ( ) ( ) 1 1 1

    1 1

    1 18 1 2 18 2 2

    20 2 20 2

    = + = + = + = + =

    i( )

    1

    2 1 S

    2

    + = ( )88 20 2 1 = + ( )88 19= +

    2 19 88 0 + = ( )19 9

    2

    =

    19 3

    2

    = 11= 8=

    1

    1

    11 2

    8 4

    = =

    = =

    .: x 3 , x , x , x 3 + + , :

    x 3 x x x 3 16 + + + + + = i 4x 16 x 4= =

    ( ) ( )x x 15 + = i 2 2x 15 = 216 15 = 2 1 1= =

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    77. 3 -

    : 1= , : 1, 3, 5, 7

    1= , : 7, 5, 3, 1

    3. :

    1

    3 1

    2

    = + =

    i. .. ..*

    ii. : ( ) ( ) ( ) ( ) 4 1 7 2 10 4 31 512+ + + + + + + +iii.

    2

    17 1 2 3 x x x ... x< < :

    ( ) 224 17 15 17 15

    4y 17 0 4y 17y 4 0 y yy 2 4 8

    + = + = = =

    y 4= 1

    y4

    =

    2 4= 2

    1

    4= 2= 2=

    1

    2=

    1

    2=

    : 2, 4, 8 2, 4,8 8, 4, 2 8, 4,2.

    8.. ..

    1

    x 3

    5

    = .

    :

    2 x

    3

    x

    + .

    2 x , , x

    6 2 6

    + , .. x :

    0 x

    2<

    x

    6

    =

    x 2 ,

    6

    = Z . 0 x2

    < < ,

    x

    6

    =

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    83. 3 -

    9. 106 -

    90% ..

    .

    . 4 .

    . 4

    100 .

    106 .

    :

    . 60 10= .

    1 : 51 0 0 0 0,9 0,1 10= = =

    2 :2 1 0,1 =

    ..............................................................................................................

    : 1 0,1 =

    . 51 10= 0,1= .

    . : ( )33 5

    4 1 10 0,1 100= = = .

    . 4 :0 100= .

    1 :1 0 100 200= + = .

    2 :2 1 100= + .

    ..............................................................................................................

    : 1 100= + .

    .. 1 200= 100= .

    6 10= :

    ( ) ( )6 6 6 1

    4 4

    10 1 10 200 1 100 10

    2 1 10 10 1 10.000 1 9.999

    = + = + =

    + = = = =

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    84. - 4

    1.i. (x) x 1 3

    x 2 9. (x) 2x 3x 2+ , U(x) .

    ii. U() .. -

    57 2700.

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    .............................................................................................................................

    2. : 3 2q(x) x 2x x + + 2G(x) x 4 U(x) 5x 10 + .. , .. q(x) 0 .

    . ..

    q(x) 0 .

    : i. 24.

    ii. 15.

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