Give a combinatorial argument to show that for integers n, r with n > r > 2,

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:17 AM

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Give a combinatorial argument to show that for integers n, r with n > r > 2,

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n+ 2 1 + 2

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Let S x y a 1 a 2 a n There are n2r subsets of S containing r el...View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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