Question Number 82973 by mathmax by abdo last updated on 26/Feb/20
$${calculate}\:{lim}_{{n}\rightarrow+\infty} \:\:\:\int_{\mathrm{0}} ^{{n}} \left(\mathrm{1}−\frac{{x}}{{n}}\right)^{{n}} {arctan}\left({nx}\right){dx} \\ $$
calculate-lim-n-0-n-1-x-n-n-arctan-nx-dx-