Menu Close

calculate-S-n-k-0-n-k-C-n-k-2-




Question Number 64652 by mathmax by abdo last updated on 20/Jul/19
calculate  S_n =Σ_(k=0) ^n  k (C_n ^k )^2
$${calculate}\:\:{S}_{{n}} =\sum_{{k}=\mathrm{0}} ^{{n}} \:{k}\:\left({C}_{{n}} ^{{k}} \right)^{\mathrm{2}} \\ $$
Commented by mr W last updated on 21/Jul/19
please tell your solution, thanks!
$${please}\:{tell}\:{your}\:{solution},\:{thanks}! \\ $$
Commented by mathmax by abdo last updated on 21/Jul/19
i havent the solution for this  sir give me time sir i will try...
$${i}\:{havent}\:{the}\:{solution}\:{for}\:{this}\:\:{sir}\:{give}\:{me}\:{time}\:{sir}\:{i}\:{will}\:{try}… \\ $$

Leave a Reply

Your email address will not be published.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