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calculate-0-arctan-x-2-x-2-9-dx-




Question Number 74492 by mathmax by abdo last updated on 24/Nov/19
calculate ∫_0 ^∞   ((arctan(x^2 ))/(x^2  +9))dx
$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{arctan}\left({x}^{\mathrm{2}} \right)}{{x}^{\mathrm{2}} \:+\mathrm{9}}{dx} \\ $$

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