Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 11 - Counting Methods and Probability Theory - 11.2 Permutations - Exercise Set 11.2: 15



Work Step by Step

$\frac{29!}{25!}$ = $\frac{29*28*27*26*25!}{25!}$ 25! is common in the numerator and the denominator of the given expression, so cancel 25!. Therefore, evaluate, $29*28*27*26 = 570,024 $
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