Menu Close

find-S-n-k-0-n-C-n-k-3-




Question Number 66797 by mathmax by abdo last updated on 19/Aug/19
find S_n =Σ_(k=0) ^n  (C_n ^k )^3
$${find}\:{S}_{{n}} =\sum_{{k}=\mathrm{0}} ^{{n}} \:\left({C}_{{n}} ^{{k}} \right)^{\mathrm{3}} \\ $$

Leave a Reply

Your email address will not be published. Required fields are marked *