分别开导dy/du、dy/dv、dy/dw:y= u^(v^w)分别开导dy/dudy/d、dy/dwy= u^(v^w)
问题描述：
分别开导dy/du、dy/dv、dy/dw:y= u^(v^w)
分别开导
dy/du
dy/d、
dy/dw
y= u^(v^w)
答
dy/du=v^wu^(v^w-1)
dy/dv=wv^(w-1)u^(v^w)lnv^w
dy/dw=v^wu^(v^w)lnw