College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.5 - Page 759: 76

Answer

Doesn't make sense.

Work Step by Step

There is a coefficient of $_{7}C_{5}$, by which the sum of the powers is $7$, but currently the powers sum up to 6. Thus the statement doesn't make sense.
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