• 试题 ID 10991


设 $\left\{\begin{array}{l}x=1+t^2 \\ y=1+t^3\end{array}\right.$, 求 $\frac{d y}{d x}, \frac{d^2 y}{d x^2}$.
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