数学
lim(x趋近0）f(x)/x=A,其中f(0)=0,且f'(0)存在,求极限A

2019-12-16

lim(x趋近0）f(x)/x=A,其中f(0)=0,且f'(0)存在,求极限A
优质解答
lim(x趋近0）f(x)/x
=lim (f(x) -0)/(x-0)
=lim (f(x) - f(0) )/(x-0)
=f'(0) lim(x趋近0）f(x)/x
=lim (f(x) -0)/(x-0)
=lim (f(x) - f(0) )/(x-0)
=f'(0)
相关问答