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Prove-that-n-C-0-n-n-C-1-n-1-n-C-2-n-2-1-n-n-C-n-2n-1-n-2n-C-n-

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Question Number 22394 by Tinkutara last updated on 17/Oct/17
Prove that : ((^n C_0 )/n)−((^n C_1 )/(n+1))+((^n C_2 )/(n+2))−...+(−1)^n .((^n C_n )/(2n))=(1/(n.^(2n) C_n ))
Provethat:nC0n−nC1n+1+nC2n+2−…+(−1)n.nCn2n=1n.2nCn

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