Math, asked by usmanmohammadkazi, 2 months ago

Evaluate: 'sum_(gamma=1)^(n)(r 1)(gamma-1)'

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Answered by imranjadoon575

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Answer:

Statement -2: n∑r=0(-1)rnCrr+1=1n+1. Statement-2: n∑r=0(-1)rnCrr+1xr=1(n+1)x{1-(1 -x)n+1}.

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