4个回答
展开全部
(6)
∫ { f(x)/f'(x) - [f(x)]^2.f''(x)/[f'(x)]^3 } dx
=∫ { [ f'(x)]^2. f(x) - [f(x)]^2.f''(x) ] /[f'(x)]^3 } dx
=(1/2)∫ d [f(x)/f'(x)]^2
=(1/2)[f(x)/f'(x)]^2 + C
(7)
∫{ lim(h->0) [f(x+h)-f(x-h) ]/h } dx
=∫ 2f'(x) dx
=2f(x) + C
∫ { f(x)/f'(x) - [f(x)]^2.f''(x)/[f'(x)]^3 } dx
=∫ { [ f'(x)]^2. f(x) - [f(x)]^2.f''(x) ] /[f'(x)]^3 } dx
=(1/2)∫ d [f(x)/f'(x)]^2
=(1/2)[f(x)/f'(x)]^2 + C
(7)
∫{ lim(h->0) [f(x+h)-f(x-h) ]/h } dx
=∫ 2f'(x) dx
=2f(x) + C
本回答被网友采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询