Posted by haifeng on 2025-06-01 14:48:17 last update 2025-06-02 12:49:25 | Answers (1) | 收藏
求微分方程 $\displaystyle\frac{\mathrm{d}y}{\mathrm{d}x}=\frac{1+y^2}{xy+x^3y}$ 的通解.