设f(0)=0,f'(0)存在,求lim(x→o)f（x）/x.

来源：学生作业帮助网编辑：六六作业网时间：2024/12/24 04:26:14

设f(0)=0,f''(0)存在,求lim(x→o)f（x）/x.设f(0)=0,f''(0)存在,求lim(x→o)f（x）/x.设f(0)=0,f''(0)存在,求lim(x→o)f（x）/x.因为f(

设f(0)=0,f'(0)存在,求lim(x→o)f（x）/x.
设f(0)=0,f'(0)存在,求lim(x→o)f（x）/x.

设f(0)=0,f'(0)存在,求lim(x→o)f（x）/x.
因为f(0)=0,f'(0)；所以 lim(x→0)f(x)/x=lim(x→0)[f(x)-f(0)]/(x-0)=f'(0)