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: 37



Work Step by Step

$\displaystyle \frac{1}{i}=\frac{1}{i}*\frac{i}{i}=\frac{i}{i^{2}}=\frac{i}{-1}=-i=0-1i$
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