设有方程x+y^2+z^2=2z,求dz/dx dz/dy

设有方程x+y^2+z^2=2z,求dz/dx dz/dy 设函数z=(x,y)由方程x^2+z^2=2ye^z所确定,求dz 微积分...设z=z(x,y)是方程^2+y^2+z^2=y*e^z确定的隐函数,求dz.2x/(y*e^z-2z) dx + 2y/(y*e^z-2z) dy 已知函数z=z(x,y)由方程x2+y2+z2=2Rz确定,求dz.已知函数z=z(x,y)由方程x²+y²+z²=2Rz确定,求dz. z=x^2*arctan(2y/x)求dz 设z=z(x,y)是由方程e^(-xy)+2z-e^z=2确定 求dz|(x=2,y=-1/2) 设z=z(x,y)是由方程e^(-xy)+2z-e^z=2确定 求dz|(x=2,y=-1/2) 设函数z=z(x,y)由方程x^2z+2y^2z^2-xy=0所确定,求dz. 已知函数z=z(x,y)由方程x^2+y^2+z^2=e^z确定,求dz急, z=ln(x^2+y^2),求dz, Z=（x^2+y^2）求dz z=3x^3y^2,求dz 设z=(x+2y)e^xy,求dz z=ln(X平方+Y平方+2),求Dz? z=(e^3y) +(x^2)Xsiny,求dz 设函数Z=y^(2x) ,求dz . 函数z=f(x,y)由方程2sin(x+2y-3z)=x+2y-3z所确定,求dz x+y+z=0,x^2+y^2+z^2=1求dx/dz