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Question Number 31058 by abdo imad last updated on 02/Mar/18
find ∫_0 ^∞ ((x arctanx)/((1+x^2 )^2 ))dx
$${find}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{x}\:{arctanx}}{\left(\mathrm{1}+{x}^{\mathrm{2}} \right)^{\mathrm{2}} }{dx} \\ $$

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