Question Number 30192 by abdo imad last updated on 17/Feb/18
$${let}\:\:{u}_{{n}} =\:\frac{\mathrm{1}}{{n}!}\:\sum_{{k}=\mathrm{0}} ^{{n}} \:{k}!\:\:\:\:{find}\:{lim}_{{n}\rightarrow\infty} \:{u}_{{n}} \:. \\ $$
let-u-n-1-n-k-0-n-k-find-lim-n-u-n-