Answer
False.
Notice that, according to the definition of a complex number, the real numbers are complex numbers whose imaginary part is equal to $0$.
Work Step by Step
If $b=0$:
$a+bi=a-bi$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.5 - Complex Numbers - 1.5 Exercises - Page 120: 90
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