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calculate-0-arctanx-x-2-x-1-dx-




Question Number 31418 by abdo imad last updated on 08/Mar/18
calculate ∫_0 ^∞     ((arctanx)/(x^2  +x+1)) dx.
$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{arctanx}}{{x}^{\mathrm{2}} \:+{x}+\mathrm{1}}\:{dx}. \\ $$

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