高数微分
1个回答
展开全部
(1)
dy/dx=f'(x²)·(x²)'=2x·f'(x²)
d²y/dx²=[2x·f'(x²)]'
=(2x)'·f'(x²)+2x·[f'(x²)]'
=2·f'(x²)+2x·f''(x²)·(x²)'
=2f'(x²)+4x²f''(x²)
dy/dx=f'(x²)·(x²)'=2x·f'(x²)
d²y/dx²=[2x·f'(x²)]'
=(2x)'·f'(x²)+2x·[f'(x²)]'
=2·f'(x²)+2x·f''(x²)·(x²)'
=2f'(x²)+4x²f''(x²)
本回答由提问者推荐
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
