如图,该极限怎么求?

请附详细解题步骤
2025-05-15 07:14:47
推荐回答(1个)
回答1:

lim(h->0) [f(x0+2h) -f(x0)]/ h (0/0 份子分母分别求导)
=lim(h->0) 2f'(x0+2h)
=2f'(x0)
=4