Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX H - Complex Numbers - H Exercises: 15

Answer

Conjugate: $12+5i$ Modulus: $13$

Work Step by Step

Conjugate: $12-5i=12+5i$ Modulus: $|z|=\sqrt(12^2+5^2)=\sqrt(169)=13$
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