摘要：
$$\Large\displaystyle \int^{\infty}_{0}\frac{\tanh\left(\, x\,\right)} {x\left[\, 1 2\cosh\left(\, 2x\,\right)\,\right]^{2}}\,{\rm d}x$$ $\Large\mathb 阅读全文
摘要：
$$\Large\displaystyle \int_0^\infty{_3F_2}\left(\begin{array}c\dfrac58,\dfrac58,\dfrac98\\\dfrac12,\dfrac{{13}}8\end{array}\middle|\ { x}\right)^2\fra 阅读全文