设z=f(x,y)由方程z一y—z+zez—y—x=0确定,求dz.

admin2020-03-05  16

问题 设z=f(x,y)由方程z一y—z+zez—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—dy一dy+ez—y—x+xez—y—x(dz—dy—dx)=0, 解得dz=[*]+dy.

解析
转载请注明原文地址:https://kaotiyun.com/show/N0S4777K
0

最新回复(0)