SOLUTION: prove that Cr + Cr+1=Cr+1

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Question 1092976: prove that Cr + Cr+1=Cr+1
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
This formulation is incorrect.

For the correct formulation and the proof see the lesson
    - Binomial Theorem, Binomial Formula, Binomial Coefficients and Binomial Expansion, Problem 1
in this site.



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