Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.8 The Complex Numbers - 10.8 Exercise Set - Page 686: 6

Answer

True

Work Step by Step

Recall, when we multiply a complex number by its conjugate, we are using the fact that $i^2=-1$ to cancel out the imaginary component. Thus, the product of a complex number and its conjugate is a real number.
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