Answer
$2+9i$
Work Step by Step
RECALL:
The conjugate of the complex number $a-bi$ is $a+bi$.
Thus, the conjugate of the given expression is $2+9i$.
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 2 - Section 2.1 - Complex Numbers - Concept and Vocabulary Check - Page 314: 6
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