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ind-S-n-0-n-3-n-2-n-1-n-




Question Number 30547 by abdo imad last updated on 23/Feb/18
ind S= Σ_(n=0) ^∞    ((n^3  +n^2  +n+1)/(n!))  .
$${ind}\:{S}=\:\sum_{{n}=\mathrm{0}} ^{\infty} \:\:\:\frac{{n}^{\mathrm{3}} \:+{n}^{\mathrm{2}} \:+{n}+\mathrm{1}}{{n}!}\:\:. \\ $$

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