Question Number 103078 by abdomsup last updated on 12/Jul/20
$${calculate}\:\int_{−\infty} ^{\infty} \:\frac{{xsin}\left(\mathrm{2}{x}\right)}{\left({x}^{\mathrm{2}} +{x}+\mathrm{1}\right)^{\mathrm{2}} }{dx} \\ $$
calculate-xsin-2x-x-2-x-1-2-dx-