Posted by haifeng on 2023-11-22 13:00:17 last update 2023-11-22 13:00:17 | Answers (1) | 收藏
证明:
\[\int_0^1 \frac{x^4(1-x)^4}{1+x^2}\mathrm{d}x=\frac{22}{7}-\pi\]
参考:
知乎大佬是怎么"注意到"这么恐怖的积分的?_哔哩哔哩_bilibili