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Question Number 30415 by abdo imad last updated on 22/Feb/18 | ||
$${find}\:{the}\:{value}\:{of}\:\sum_{{k}=\mathrm{0}} ^{{n}} \:\:\frac{\mathrm{1}}{{k}+\mathrm{1}}\:{C}_{{n}} ^{{k}} \:\:. \\ $$ | ||