Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.4 Set Operations and Venn Diagrams with Three Sets - Exercise Set 2.4 - Page 93: 76


See below.

Work Step by Step

A good solution is $(A\cap B)\cup(A\cap C)$. This is the union of the intersections of $A$ and $B$ and $A$ and $C$, which is what we want.
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