• 试题 ID 32881


设 $z=f\left(3 x-2 y, x y^2\right), f(u, v)$ 具有二阶连续偏导数,求 $\frac{\partial z}{\partial x}, \frac{\partial z}{\partial y}, \frac{\partial^2 z}{\partial x \partial y}$ .
A
B
C
D
E
F
答案:

答案与解析仅限VIP可见

解析:

答案与解析仅限VIP可见