Answer
sum of two squares
Work Step by Step
RECALL:
$(a+bi)(a-bi) = a^2+b^2$
Thus, the product of complex conjugates $a+bi$ and $a-bi$ is a sum of two squares.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - 1.3 Complex Numbers - 1.3 Exercises - Page 111: 4
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