Answer
$i\sqrt 4.9$
Work Step by Step
$\frac{\sqrt (49)}{\sqrt (-10)}=\sqrt (-\frac{49}{10})=\sqrt (-4.9)=\sqrt (-1\times4.9)=\sqrt -1\times\sqrt 4.9=i\sqrt 4.9$
We know that $\sqrt -1=i$, because $i^{2}=-1$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set - Page 463: 24
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
