\begin{equation*} \sum_{k=0}^{n}\sum_{r=0}^{k}{C}_{r}^{n+1} \end{equation*}
I tried solving this double sigma by opening all terms and adding them individually, but it was very tiring, please suggest any other method
2026-04-01 14:20:17.1775053217
Double Sigma in Binomial
45 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in BINOMIAL-THEOREM
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