find-the-value-of-k-0-n-1-k-1-C-n-k-

Question Number 30415 by abdo imad last updated on 22/Feb/18

$${find}\:{the}\:{value}\:{of}\:\sum_{{k}=\mathrm{0}} ^{{n}} \:\:\frac{\mathrm{1}}{{k}+\mathrm{1}}\:{C}_{{n}} ^{{k}} \:\:. \\ $$