Question Number 152863 by talminator2856791 last updated on 02/Sep/21
$$\: \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\int_{−\infty} ^{\:\infty} \:\frac{\mathrm{1}}{\:\sqrt{{x}^{\mathrm{2}} +\mathrm{1}}}\:\:{dx} \\ $$$$\: \\ $$$$\: \\ $$
Commented by talminator2856791 last updated on 02/Sep/21
$$\:\:\mathrm{is}\:\mathrm{this}\:\mathrm{integral}\:\mathrm{solvable}? \\ $$$$\:\left(\mathrm{does}\:\mathrm{it}\:\mathrm{have}\:\mathrm{closed}\:\mathrm{form}?\right) \\ $$
Answered by phanphuoc last updated on 02/Sep/21
$${super}\:{super}\:{hard} \\ $$