Prove the statement for positive integers n and r, with r n. C(n, n - 1)
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Prove the statement for positive integers n and r, with r ≤ n.
C(n, n - 1) = n
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Pnr rn n nr n nrr ...View the full answer
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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