Intermediate Algebra (6th Edition)

Published by Pearson

Chapter 7 - Section 7.7 - Complex Numbers - Vocabulary, Readiness & Video Check: 3

Answer

$-1$

Work Step by Step

$i^{2}$ $=i * i$ $=\sqrt -1 * \sqrt -1$ $=(\sqrt -1)^{2}$ $-1$

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