Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.6 - Complex Numbers - 1.6 Exercises - Page 64: 74



Work Step by Step

$z=3-4i$ $;$ $w=5+2i$ $\overline{z+w}$ Evaluate $z+w$: $z+w=(3-4i)+(5+2i)=(3+5)+(-4+2)i=8-2i$ Find the conjugate by changing the sign of the imaginary part of the complex number: $\overline{z+w}=8+2i$
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