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

admin2019-03-18  43

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/SbLRFFFM
0

最新回复(0)