问题

Questions in category: 定积分 (Definite Integral).

求下列定积分

Posted by haifeng on 2024-04-18 16:37:50 last update 2024-04-18 16:37:50 | Answers (1) | 收藏

1. $\int_{0}^{1} \frac{1}{(1 + x^{2})^{2}} d x$ .