Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 11 - Further Topics in Algebra - 11.4 The Binomial Theorem - 11.4 Exercises: 11

Answer

$20$

Work Step by Step

$\dfrac {6!}{3!\times 3!}=\dfrac {3!\times 4\times 5\times 6}{3!\times 3!}=\dfrac {4\times 5\times 6}{3!}=\dfrac {4\times 5\times 6}{1\times 2\times 3}=20$
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