Question Number 133471 by Abdoulaye last updated on 22/Feb/21
$${hos}\:{calcul}\:\int\frac{{lnx}}{{x}^{\mathrm{2}_{} } +\mathrm{1}}{dx}\:? \\ $$
Commented by Dwaipayan Shikari last updated on 22/Feb/21
$${For}\:{General}\:\int_{\mathrm{0}} ^{\infty} \frac{{log}\left({x}\right)}{{x}^{{n}} +\mathrm{1}}{dx}=−\frac{\pi^{\mathrm{2}} }{{n}^{\mathrm{2}} }{cosec}\left(\frac{\pi}{{n}}\right){cot}\left(\frac{\pi}{{n}}\right) \\ $$
Commented by Abdoulaye last updated on 22/Feb/21
$${how}\:{wi}\:{calcule}?? \\ $$
Commented by Abdoulaye last updated on 22/Feb/21
$${how}\:{do}\:{we}\:{calculate}? \\ $$