设f(x,y)=exysinπy+(x一1)arctan则df(1,1)=_____.

admin2019-07-17  40

问题 设f(x,y)=exysinπy+(x一1)arctan则df(1,1)=_____.

选项

答案[*]

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

最新回复(0)