设z=xcosy-2yex+2x，则分别为( )。A.C.os

资格题库2022-08-02 62

问题设z=xcosy-2yex+2x，则

分别为( )。A.C.osy+2yex+2xln2，xsiny-exB.C.osy-2yex-2xln2，xsiny+2exC.C.osy-2yex+2xln2，-xsiny-2exD.siny-2yex+2xln2，C.osy-2ex

选项 A.C.osy+2yex+2xln2，xsiny-ex
B.C.osy-2yex-2xln2，xsiny+2ex
C.C.osy-2yex+2xln2，-xsiny-2ex
D.siny-2yex+2xln2，C.osy-2ex

答案 C

解析利用偏导公式即可得解

转载请注明原文地址:http://tihaiku.com/jzgc/2445192.html

基础知识水利水电

相关试题推荐

随机试题

最新回复(0)