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Evaluate the sum \(\frac{1}{2^1} + \frac{2}{2^2} + \frac{3}{2^3} + \cdots + \frac{k}{2^k} + \cdots \)

 Aug 6, 2020
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sumfor(k, 1, 1000, (k / (2^k))) = it converges to 2

 Aug 6, 2020

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