二、函数极限的性质
DESCRIPTION
Anhui University of Finance& Economics. Anhui University of Finance& Economics. Anhui University of Finance& Economics. Anhui University of Finance& Economics. Anhui University of Finance& Economics. Anhui University of Finance& Economics. Anhui University of Finance& Economics. - PowerPoint PPT PresentationTRANSCRIPT
3 xnan→∞f (n)a
1y=f(x)x →∞, f(x)A
2:
*/25
ε ()X |x|>X |f (x) -A|< ε x f (x) A
2:
f (x)x0e >0, d >0, 0<|x-x0 |<d ,
|f (x) -A|<ex→ x0f (x) A
“ε -δ”
3
:
1y=f(x)x →∞, f(x)A
2:
*/25
ε ()X |x|>X |f (x) -A|< ε x f (x) A
2:
f (x)x0e >0, d >0, 0<|x-x0 |<d ,
|f (x) -A|<ex→ x0f (x) A
“ε -δ”
3
: