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find-0-e-cosx-x-2-1-dx-




Question Number 93906 by abdomathmax last updated on 16/May/20
find  ∫_0 ^∞   (e^(−cosx) /(x^2 +1))dx
$${find}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{e}^{−{cosx}} }{{x}^{\mathrm{2}} +\mathrm{1}}{dx} \\ $$

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