SOLUTION: prove that P(n,n) = 2P(n,n – 2) and prove that C(2n,2) = 2C(n,2) + n^2 .
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-> SOLUTION: prove that P(n,n) = 2P(n,n – 2) and prove that C(2n,2) = 2C(n,2) + n^2 .
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Question 392151
:
prove that P(n,n) = 2P(n,n – 2)
and prove that C(2n,2) = 2C(n,2) + n^2 .
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robertb(5830)
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