积分表

\addcontentsline{toc}{chapter}{积分表}

$$

\begin{aligned} \mint\sqrt{x^2\pm a^2}\text{d} x & \dfrac 1 2 \left(x\sqrt{x^2\pm a^2}\pm a^2\ln\left|x+\sqrt{x^2\pm a^2}\right|\right) \ $$ 15 pt] \mint1 & 1 \end{aligned} $$