设z=f(x,y)由方程z—y—z+xez-y-x=0确定,求dz.

admin2017-08-31  28

问题 设z=f(x,y)由方程z—y—z+xez-y-x=0确定,求dz.

选项

答案对z—y—x+xez-y-x=0两边求微分,得dz一dy一dx+ez-y-xdx+xez-y-x(dz—dy—dx)=0,解得dz=[*]dx+dy.

解析
转载请注明原文地址:https://jikaoti.com/ti/iaVRFFFM
0

随机试题
最新回复(0)