Answer
$i\sqrt {11}$
Work Step by Step
The number $i$ is defined as $\sqrt {-1}$
We use the rules of multiplication for square roots to separate the radical: $\sqrt {-1}\sqrt {11}$
We subsititute in $i$ for $\sqrt {-1}$: $i\sqrt {11}$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 11 - Additional Topics - 11.4 - Complex Numbers - Problem Set 11.4 - Page 493: 5
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