Question

$$\int \ln  ( x^2 + a^2 )\hspace{.5ex} {dx} $$

Accepted Answer

$$ x \ln (x^2 + a^2  ) +2a\tan^{-1} \frac{x}{a} - 2x$$

Front	\[\int \ln ( x^2 + a^2 )\hspace{.5ex} {dx} \]
Back	\[ x \ln (x^2 + a^2 ) +2a\tan^{-1} \frac{x}{a} - 2x\]

Ln A^2 Int X^2 Hspace{.5ex Dx X +2a\Tan^{ 1