Posted by haifeng on 2020-01-10 15:01:41 last update 2020-01-10 15:17:39 | Answers (1) | 收藏
求定积分
\[\int_0^1\bigl[x\int_1^{x^2}\frac{\sin t}{t}\mathrm{d}t\bigr]\mathrm{d}x.\]
注意: 不用累次积分.
