Question Number 27621 by abdo imad last updated on 11/Jan/18
$${find}\:{the}\:{value}\:{of}\:\:\int_{\mathrm{0}} ^{\infty} \:\frac{{arctan}\left({x}+\frac{\mathrm{1}}{{x}}\right)}{\mathrm{1}+{x}^{\mathrm{2}} }{dx}\:. \\ $$
find-the-value-of-0-arctan-x-1-x-1-x-2-dx-