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: 17

Answer

Conjugate: 0+4i Module: 4+0i

Work Step by Step

The conjugate of a-bi = a+bi, so The conjugate of 0-4i = 0+4i The module is $\sqrt (0^{2}+4^{2})$ = 4
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