Question Number 53089 by Tawa1 last updated on 17/Jan/19
$$\int_{\:\frac{\pi}{\mathrm{2}}\:} ^{\:\infty} \:\:\:\frac{\mathrm{dx}}{\left(\mathrm{5}\:+\:\mathrm{x}^{\mathrm{2}} \right)\:\mathrm{tanh}^{−\mathrm{1}} \left(\frac{\mathrm{x}}{\mathrm{3}}\right)} \\ $$