Calculus 8th Edition

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

Appendix G - Complex Numbers - G Exercises: 2

Answer

$-5-3i$

Work Step by Step

We combine like terms (real and imaginary) and simplify: $(4-\displaystyle \frac{1}{2}i)-(9+\frac{5}{2}i)$ $(4-9)+(-\frac{1}{2}-\frac{5}{2})i$ $-5-3i$
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