Question Number 28616 by abdo imad last updated on 27/Jan/18
$${let}\:{give}\:{u}_{{n}} =\:\left(\mathrm{1}+\frac{\mathrm{1}}{{n}}\right)^{{n}} \:−{e}\:\:\:{find}\:{nature}\:{of}\:\:\Sigma\:{u}_{{n}} . \\ $$
let-give-u-n-1-1-n-n-e-find-nature-of-u-n-