Answer
$E = 30+60i$
Work Step by Step
For $E = IZ$, where $I = 8+6i$ and $Z = 6+3i$,
$E = (8+6i)(6+3i)$
$= 48+24i+36i+18i^2$
$= 48+60i-18$ $(i^2=-1)$
$= 30+60i$
$E = 30+60i$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 365: 113
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