Question 1110201
.
Prove (n+1)p(r) = (n)p(r) + 4.(n)p(r-1)
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Wrong identity.



To see the correct version (with the Proof), look into the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF =http://www.algebra.com/algebra/homework/Permutations/Binomial-Theorem.lesson>Binomial Theorem, Binomial Formula, Binomial Coefficients and Binomial Expansion</A>, Problem 1

in this site.