Let n and r be integers with 1 r < n. Show that C(n, r
Question:
C(n, r − 1) = C(n + 2, r + 1)
−2C(n + 1, r + 1) + C(n, r + 1).
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Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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