问题

Questions in category: 不定积分 (Indefinite Integral).

求下列不定积分

Posted by haifeng on 2023-11-28 10:48:49 last update 2023-11-28 15:55:42 | Answers (1) | 收藏

1. $\int \frac{2^{\arctan x}}{1 + x^{2}} d x$

2. $\int (\tan x) \ln \cos x d x$

3. $\int \frac{d x}{x^{2} \sqrt{4 + x^{2}}}$