Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.7 - Complex Numbers - Exercise Set: 99

Answer

Find the coefficients $a$ and $b$ of the complex number $a+bi$. The conjugate of $a+bi$ is $a-bi$.

Work Step by Step

To find the conjugate of a complex number, simply change the sign of the imaginary part of the number. For example, the conjugate of $(5 + 4i)$ is $(5 - 4i)$.
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