Answer
$\{5\}$
Work Step by Step
Recall that the intersection of two sets is the set of all elements that are contained in both sets. Thus, $\{1,2,5\}\cap\{5,a\}=\{5\}$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Test: 3
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