To explain : The reason for alternating positive and negative signs of the terms in the expansion of the given expression.
The sign of
Given information :
The expression is
Formula used:
Binomial Theorem: Pascal's
Where
Explanation :
Now, while expanding the given expression using Binomial Theorem
Therefore, the terms of the given expression will have alternating positive and negative signs in its expansion.
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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