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give-a-equivalent-of-w-n-k-n-1-1-k-




Question Number 28681 by abdo imad last updated on 28/Jan/18
give a equivalent of  w_n =   Σ_(k=n+1) ^∞   (1/(k!))  .
$${give}\:{a}\:{equivalent}\:{of}\:\:{w}_{{n}} =\:\:\:\sum_{{k}={n}+\mathrm{1}} ^{\infty} \:\:\frac{\mathrm{1}}{{k}!}\:\:. \\ $$

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