Answer
$5i \sqrt 3$
Work Step by Step
Solve $\sqrt{-75}$
Since, $i^2=-1$ and $\sqrt {-1}=i$
Thus,
$\sqrt{-75}=\sqrt {-1} \sqrt {25} \sqrt 3$
Hence, $\sqrt{-75}=5i \sqrt 3$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Test - Page 578: 25
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