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simplify-k-0-n-k-n-2-C-n-k-x-k-1-x-n-k-C-

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Question Number 34602 by abdo mathsup 649 cc last updated on 08/May/18
simplify Σ_(k=0) ^n ((k/n) −α)^2 C_n ^k x^k (1−x)^(n−k ) α∈C.
simplify∑k=0n(kn−α)2Cnkxk(1−x)n−kα∈C.

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