Answer
See below.
Work Step by Step
$(a+b)^n={n\choose0}a^n+{n\choose1}a^{n-1}b+{n\choose2}a^{n-2}b^2+{n\choose3}a^{n-3}b^3+...+{n \choose n}b^n$
The sum of the exponents in each term is $n$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Section 11.4 - The Binomial Theorem - Concept and Vocabulary Check - Page 864: 5
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