z=x^y+y^x 求dz/dx

z=x^y+y^x求dz/dx z=x^y+y^x 求dz/dx 求函数：z^x=y^z的,dz/dx,dz/dy, 设有方程x+y^2+z^2=2z,求dz/dx dz/dy z=x^2-y/x+y,而y=2x-3,求dz/dx. x+y+z=0,x^2+y^2+z^2=1求dx/dz 设x+y^2+z=ln(x+y^2+z)^1/2,求dz/dx x+y^2+z=ln (x+y^2+z)^1/2 求dz/dx 设Z=f(x^2 +y,2xy),求dz/dx和dz/dy z=(2y+7)^2 * ln(x^3+2) 求dz/dx 和 dz/dy 若z=e^（x^2+y^3）,求dz/dx,dz/dy同上 z=x^y,x=y+e^y,求dz/dx z=f(x,y),x=y+g(y) 求dz/dx 求z=yarctan(y/x)的全微分,dz/dx,dz/du- =打错，是dz/dy 设二元函数 z=u^2,u=x+y v=x-y ,求dz/dx,dz/dy z=arctan(x/y),求dz 设z=x^y,求dz 设z=y+yt,而y=e^x,t=sinx,求dz/dx