Question Number 153873 by mnjuly1970 last updated on 11/Sep/21
$$ \\ $$$$\int_{\mathrm{0}} ^{\:\infty} \frac{\:{x}}{\left(\mathrm{1}\:+{x}^{\:\mathrm{2}} \right)\:\left(\:{e}^{\:\mathrm{2}\pi{x}} −\:\mathrm{1}\right)}\:{dx}\:=\frac{\mathrm{2}\gamma−\:\mathrm{1}}{\mathrm{4}} \\ $$$$ \\ $$
Commented by qaz last updated on 12/Sep/21
https://mymatexnotes.blogspot.com/2021/05/two-integrals-related-to-binets-second.html?m=1