xy=e^(x y)隐函数的导数,怎么求
问题描述:
xy=e^(x y)隐函数的导数,怎么求
答
构造函数,F(X,Y)=xy-e^(xy)
则dy/dx= - Fx/Fy= - [y-e(xy)*y] / [x-e^(xy)*x]