Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.1 - Complex Numbers - Concept and Vocabulary Check: 1

Answer

$\sqrt{-1}$; $-1$

Work Step by Step

RECALL: (1) $i = \sqrt{-1}$ (2) $i^2=-1$ Thus, the missing expressions in the given statement are $\sqrt{-1}$ and $-1$, respectively.
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