SOLUTION: How to verify the identity of: (n+1)Cr= nCr + nC(r-1)

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Question 1040037: How to verify the identity of: (n+1)Cr= nCr + nC(r-1)
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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How to verify the identity of: (n+1)Cr= nCr + nC(r-1)
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Look into the lesson Binomial Theorem, Binomial Formula, Binomial Coefficients and Binomial Expansion in this site.