Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.5 - Complex Numbers - 1.5 Exercises - Page 119: 23


$$ 7+4i$$

Work Step by Step

A good way to consider imaginary numbers is to treat the real components as like terms and to treat the imaginary components as like terms. Then, combining like terms, we find: $$ 7+(3+1)i \\ 7+4i$$
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