Answer
The expanded from for the expression ${{\left( x+2y \right)}^{5}}$ is ${{x}^{5}}+10{{x}^{4}}y+40{{x}^{3}}{{y}^{2}}+80{{x}^{2}}{{y}^{3}}+80x{{y}^{4}}+32{{y}^{5}}$.
Work Step by Step
See below:
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 10 - Review Exercises - Page 1125: 66
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