∂z/∂x=-Fx/Fz=-(1-yz/√(xyz))/(1-x/√(xyz))=(yz-√(xyz))/(√(xyz)-x)
∂z/∂y=-Fy/Fz=-(2-xz/√(xyz))/1-x/√(xyz)=(xz-2√(xyz))/(√(xyz)-x)
注:隐函数的导数中允许含有因变量.
∂z/∂x=-Fx/Fz=-(1-yz/√(xyz))/(1-x/√(xyz))=(yz-√(xyz))/(√(xyz)-x)
∂z/∂y=-Fy/Fz=-(2-xz/√(xyz))/1-x/√(xyz)=(xz-2√(xyz))/(√(xyz)-x)
注:隐函数的导数中允许含有因变量.