设函数z=xy-y/x,求全微分dz=
问题描述:
设函数z=xy-y/x,求全微分dz=
设函数,求全微分
答
dz=(y+y/(X^2))dx+(x-1/x)dy,
设函数z=xy-y/x,求全微分dz=
设函数,求全微分
dz=(y+y/(X^2))dx+(x-1/x)dy,