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find the sum given by S= Σ [n+1Cr(2r+1)/nCr(n+r)]for 1≤r≤n

find the sum given by S= Σ [n+1Cr(2r+1)/nCr(n+r)]for 1≤r≤n

Grade:11

1 Answers

Meet
137 Points
6 years ago
Firstly if you put r=1 then first term comes out to be [(n+1)C3]/ [nC(n+1)] in this denominator is not possible. So may be u have done a writing mistake.

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