Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises - Page 8: 94


$\emptyset \cap Q = \emptyset$

Work Step by Step

RECALL: (1) $\emptyset$ is the empty set (2) The symbol $\cap$ represents intersection of sets which lists down in a set the elements that are common to the given sets. Since the empty set has no elements., then its intersection with any other set will also be empty. Thus, $\emptyset \cap Q = \emptyset$
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