Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.8 The Complex Numbers - 10.8 Exercise Set: 11

Answer

$\sqrt 5i$

Work Step by Step

To express in terms of $i$ simply divide the number under the radical by -1 and write i as a multiplier. $\sqrt 5$ is not reducible.Thus the answer is $\sqrt 5$i.
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