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find-x-2-x-2-1-2-x-2-2x-2-dx-




Question Number 28996 by abdo imad last updated on 03/Feb/18
find  ∫_(−∞) ^(+∞)        (x^2 /((x^2 +1)^2 (x^2 +2x+2)))dx.
$${find}\:\:\int_{−\infty} ^{+\infty} \:\:\:\:\:\:\:\frac{{x}^{\mathrm{2}} }{\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{2}} \left({x}^{\mathrm{2}} +\mathrm{2}{x}+\mathrm{2}\right)}{dx}. \\ $$

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