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sec-2-x-x-2-1-dx-




Question Number 167426 by mkam last updated on 16/Mar/22
∫ ((sec^2 x)/(x^2 +1)) dx
$$\int\:\frac{{sec}^{\mathrm{2}} {x}}{{x}^{\mathrm{2}} +\mathrm{1}}\:{dx} \\ $$
Commented by mkam last updated on 17/Mar/22
?????
$$????? \\ $$

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