sin（x+y）+e^xy=4 求y'

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sin（x+y）+e^xy=4求y''sin（x+y）+e^xy=4求y''sin（x+y）+e^xy=4求y''用微分法：两边求微分cos(x+y)d(x+y)+e^(xy)d(xy)=0cos(x+y)

sin（x+y）+e^xy=4 求y'
sin（x+y）+e^xy=4 求y'

sin（x+y）+e^xy=4 求y'
用微分法：两边求微分
cos(x+y)d(x+y)+e^(xy)d(xy)=0
cos(x+y)(dx+dy)+e^(xy)(xdy+ydx)=0
[cox(x+y)+ye^(xy)]dx+[cos(x+y)+xe^(xy)]dy=0
所以
y'=dy/dx=-[cox(x+y)+ye^(xy)]/[cos(x+y)+xe^(xy)]

sin（x+y）+e^xy=4 求y' Sin(xy)=x+e^y求y'= 求函数导数e^x-e^y=sin(xy) sin(x+y)+e^xy=4x,y'= sin(x+y)+e^xy=4x,求y'=? sin（x+y)+e的xy=4求y的导数 Z=x*sin xy+e^x+y或设y=(x)是由方程xy+sin x+sin y=1确定,求y” （1）y-sin（Inx）求y （2）（e^x+y）-xy=0求dy y=y(x)由方程 [e^(x+y)]+sin(xy)=1确定,求y'(x)及y'(0) sin(xy)=x+e^y.y'=? y=3^sinx,求dy/dx Y=e^2x sin^3x求dy 求方程e^y=xy确定的隐函数y=y(X)导数（e^y-x≠0）设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx. 设隐函数y=y(x)由方程x^y-e^y=sin(xy)所确定,求dy sin(xy)=x+y,求dy e^x+e^y=sin(xy),求dy/dx.怎么求 sin(x*x+y)=xy 求y'x 求隐函数的导数：sin y+e^x-xy^2=e 设e^Y + XY =e 确定函数y=y（x）求Y''(0).