Question Number 77528 by Mohamed Amine Bouguezzoul last updated on 07/Jan/20
$$\underset{{k}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{k}^{\alpha} }{\mathrm{2}^{{k}} }=? \\ $$
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Question Number 77528 by Mohamed Amine Bouguezzoul last updated on 07/Jan/20 | ||
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$$\underset{{k}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{k}^{\alpha} }{\mathrm{2}^{{k}} }=? \\ $$ | ||