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calculate-n-0-n-2-n-n-




Question Number 32297 by abdo imad last updated on 22/Mar/18
calculate Σ_(n≥0)  ((n+2^n )/(n!))  .
$${calculate}\:\sum_{{n}\geqslant\mathrm{0}} \:\frac{{n}+\mathrm{2}^{{n}} }{{n}!}\:\:. \\ $$

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