College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.5 - Complex Numbers - 1.5 Exercises - Page 131: 80


The statement is true. See proof below.

Work Step by Step

We are given that $z=a+bi$: $\overline{\overline{z}}=\overline{\overline{a+bi}}=\overline{a-bi}=a+bi=z$
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