已知f(0)=0,f'(0)=a,则极限lim(x趋近于0)f(x)/2x=
问题描述:
已知f(0)=0,f'(0)=a,则极限lim(x趋近于0)f(x)/2x=
答
=1/2 * lim [f(x)-f(0)]/(x-0)
=1/2 * f'(0)
=a/2