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[主观题]
设函数z=ysin(xy)+(1-y)arctanx+e-2y,则=() A. B. C. D.0
设函数z=ysin(xy)+(1-y)arctanx+e-2y,则
=( )
A.B.
C.
D.0
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.B.
C.
D.0
求下列复合函数的偏导数或导数:
A.0
B.1
C.2
D.3
A.由X→Y,X→Z,有X→YZ
B.由XY→Z,有X→Z,Y→Z
C.由X→Y,WY→Z,有XW→Z
D.由X→Y,及ZY,有X→Z
A.由X→Y,X→Z,有X→YZ
B.由XY→Z,有X→Z Y→Z
C.由X→Y,WY→Z 有XW→Z
D.由X→Y及Z⊆Y,有X→Z