设f(0)=0且极限存在x→0,lim f(x)/x,则 x→0,limf(x)/x=

问题描述:

设f(0)=0且极限存在x→0,lim f(x)/x,则 x→0,limf(x)/x=

1

x→0,limf(x)/x=x→0,limf(x)-f(0)/x=f'(0)