设y=f(x-y)其中f可导且f'≠1则dy/dx=?
人气：465 ℃ 时间：2019-10-09 12:23:02
解答
y=f(x-y)
dy/dx=f'(x-y)*d(x-y)
=f'(x-y)*(1-dy/dx)
=f'(x-y)-f'(x-y)*dy/dx
[1+f'(x-y)]dy/dx=f'(x-y)
dy/dx=f'(x-y)/[1+f'(x-y)]
推荐
- 设F(x)可导,y=f(x^2),则dy/dx=?
- f(x)可导,且y=f(e^-x),则dy/dx=
- 设函数f(x)可导,y=f(x的3次方)则dy/dx是?
- 设函数f(x)可导,且y=f(x2),则 dy/dx=?
- 设f(x)可导,求dy/dx y=sin f(x²)
- 今年小强和爷爷的年龄的和是59岁,4年后爷爷比小强大49岁,今年小强和爷爷各几岁?具体怎么算说清楚
- 冷却一杯热饮料 悬赏10-20
- 求问几道GRE数学题,
猜你喜欢
