![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
设x=f(u,v,w),y=g(u,v,w),z=h(u,v,w).求
设x=f(u,v,w),y=g(u,v,w),z=h(u,v,w).求
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
设
试证存在u(x),v(x)满足
使得u(x)f(x) + v(x)g(x)=(f(x),g(x).)
A.u(x,y)在(x0,y0)处连续
B.v(x,y)在(x0,y0)处连续
C.u(x,y)和v(x,y)在(x0,y0)处连续
D.u(x,y)+v(x,y)在(x0,y0)处连续