SOLUTION: prove that P(n,n) = 2P(n,n – 2)
and prove that C(2n,2) = 2C(n,2) + n^2 .
Algebra.Com
Question 392151: prove that P(n,n) = 2P(n,n – 2)
and prove that C(2n,2) = 2C(n,2) + n^2 .
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
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