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




Question Number 34273 by math khazana by abdo last updated on 03/May/18
calculate ∫_0 ^∞      (e^(arctanx) /(1+x^2 ))dx .
$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\:\frac{{e}^{{arctanx}} }{\mathrm{1}+{x}^{\mathrm{2}} }{dx}\:. \\ $$

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