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calculate-0-arctan-2x-3-x-2-4-dx-




Question Number 75890 by abdomathmax last updated on 19/Dec/19
calculate ∫_0 ^∞   ((arctan(2x+3))/(x^2 +4))dx
$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{arctan}\left(\mathrm{2}{x}+\mathrm{3}\right)}{{x}^{\mathrm{2}} +\mathrm{4}}{dx} \\ $$

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