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 - Page 1045: 30



Work Step by Step

$5$C$1$ is equivalent with the following expression: $\binom{5}{1} =\frac{5!}{1!\times (5-1)!}=\frac{4!\times5}{4!\times1!}=\frac{5}{1}=5$
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