函数z=e^y/x全微分dz=
问题描述:
函数z=e^y/x全微分dz=
答
∂z/∂x = -e^y/x^2,∂z/∂y = e^y/x,所以dz = -e^y/x^2dx + e^y/xdy
函数z=e^y/x全微分dz=
∂z/∂x = -e^y/x^2,∂z/∂y = e^y/x,所以dz = -e^y/x^2dx + e^y/xdy