College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.3 - Complex Numbers; Quadratic Equations in the Complex Number System - 1.3 Assess Your Understanding - Page 112: 90


Yes, $\overline{\overline{z}}=z$

Work Step by Step

We are given $z=a+bi$. We solve for $\overline{\overline{z}}$: $\overline{\overline{z}}=\overline{\overline{a+bi}}=\overline{a-bi}=a+bi=z$
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