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prove-that-k-0-p-1-k-C-n-k-1-p-C-n-1-p-

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Question Number 34594 by abdo mathsup 649 cc last updated on 08/May/18
prove that Σ_(k=0) ^p (−1)^k C_n ^k =(−1)^p C_(n−1) ^p
provethat∑k=0p(−1)kCnk=(−1)pCn−1p

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