Prove that for every n and k satisfying 1 k n, (n) k n =k....
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Prove that for every n and k satisfying 1 ≤ k ≤n, (n) k n =Σk. (i-1)k-1. i=k = Prove that for every n and k satisfying 1 ≤ k ≤n, (n) k n =Σk. (i-1)k-1. i=k =
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