设y=f(x-y)其中f可导且f'≠1则dy/dx=?
人气:227 ℃ 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)
- 以元音加y结尾的专有名词复数形式把y变i再加es吗?
- 如图,三角形ABC中,AD是高,AE,BF是角平分线,它们相交于点O,角A是60°,角C是50°,求角DAC和角BOA.
- 游山西村这首诗的代诗人是谁
猜你喜欢