Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.4 De Moivre's Theorem: Powers and Roots of Complex Numbers - 8.4 Exercises - Page 378: 60

Answer

False All non-zero real numbers have exactly one real cube root and two imaginary roots.

Work Step by Step

All non-zero real numbers have exactly one real cube root and two imaginary roots. Therefore, it is false to say that some real numbers have three real cube roots.
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