xy-e^x+e^y=0,求dy/dx|x=0?

xy=e^(x+y)求dy/dx 求dy/dx+y/x=e^(xy) e∧x+y=xy,求dy/dx xy-e^x+e^y=0,求dy/dx|x=0? 已知xy+e^y=e...求dx/dy|x=0 由2xy+e∧x-e∧y=0求dy/dx 已知e^y+e^x-xy^2=0,求dy/dx高等数学求导 已知xy-e^x+e^y=0,求dy/dx siny+e^x-xy^2=0,求dy/dx 设xy-e^xy=e 求dy/dx是=-y/x吧？ 隐函数求道的方法为什么 e^y+xy-e=0 怎么导出 d/dx(e^y+xy-e)=e^y dy/dx+y+x dy/dx 的 [e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解 求e^y+xy-e=0所确定的隐函数的导数左边对x求导得d/dx(e^y+xy-e)=e^y dy/dx+y+x dy/dx右边对x求导得（0）‘0于是e^y dy/dx+y+x dy/dx=0,为什么?为什么方程两边对x的导数相同？ 函数y=y(x)由方程e^x - e^y - xy =0 确定, 求dy/dx .函数y=y(x)由方程e^x - e^y - xy =0 确定, 求dy/dx . 函数 y=y(x)由方程e x平方 - e y平方 - xy = 0确定,求dy/dx e∧(x+y)+cos(xy)=0,求dy/dx, e^x+e^y=sin(xy),求dy/dx.怎么求 求导：xy=x-e^xy,求dy/dx