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prove-that-k-0-n-2-k-x-2-k-1-1-x-1-2-n-1-x-2-n-1-1-




Question Number 32274 by abdo imad last updated on 22/Mar/18
prove that  Σ_(k=0) ^n    (2^k /(x^2^k   +1)) = (1/(x−1)) − (2^(n+1) /(x^(2^(n+1)  ) −1))  .
provethatk=0n2kx2k+1=1x12n+1x2n+11.

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