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calculate-cos-2-x-x-2-x-2-2-dx-




Question Number 138972 by mathmax by abdo last updated on 20/Apr/21
calculate ∫_(−∞) ^(+∞)    ((cos^2 (x))/((x^2 −x+2)^2 ))dx
$$\mathrm{calculate}\:\int_{−\infty} ^{+\infty} \:\:\:\frac{\mathrm{cos}^{\mathrm{2}} \left(\mathrm{x}\right)}{\left(\mathrm{x}^{\mathrm{2}} −\mathrm{x}+\mathrm{2}\right)^{\mathrm{2}} }\mathrm{dx} \\ $$

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