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find-1-arctan-x-1-x-dx-




Question Number 38462 by maxmathsup by imad last updated on 25/Jun/18
find  ∫_1 ^(+∞) arctan(x −(1/x))dx
$${find}\:\:\int_{\mathrm{1}} ^{+\infty} {arctan}\left({x}\:−\frac{\mathrm{1}}{{x}}\right){dx} \\ $$

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