Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix G - Complex Numbers - G Exercises: 13



Work Step by Step

We use basic root properties to simplify ($\sqrt{a}\sqrt{b}=\sqrt{ab}$): $\sqrt{-25}$ $=\sqrt{25*-1}$ $=\sqrt{25}\sqrt{-1}$ $=\sqrt{25}i$ $=5i$
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