一个arctan积分的两种解法
\[\Large\int_{0}^{1}\frac{\arctan x}{\sqrt{1-x^{2}}}\mathrm{d}x \] \(\Large\mathbf{Solution:} ...
花费 151 ms
\[\Large\int_{0}^{1}\frac{\arctan x}{\sqrt{1-x^{2}}}\mathrm{d}x \] \(\Large\mathbf{Solution:} ...