Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 358: 111

Answer

$E = 30+60i$

Work Step by Step

For $E = IZ$, where $I = 8+6i$ and $Z = 6+3i$, $E = (8+6i)(6+3i)$ $= 48+24i+36i+18i^2$ $= 48+60i-18$ $(i^2=-1)$ $= 30+60i$ $E = 30+60i$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.