Answer
The complement of A′ is A.
Work Step by Step
Complements are two subsets that do not share any members and that, combined, include all the members in the universal set. If A′ is the complement of A, then A is also the complement of A′.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - 3-5 Working With Sets - Lesson Check - Page 197: 5
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