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=
答
1
答
x→0,limf(x)/x=x→0,limf(x)-f(0)/x=f'(0)