Answer
Conjugate: $-1-2\sqrt(2)i$
Modulus: $3$
Work Step by Step
Conjugate: $-1+2\sqrt(2)i = -1-2\sqrt(2)i$
Modulus: $\sqrt((-1)^2+(-2\sqrt(2)^2)=\sqrt(1+8)=\sqrt(9)=3$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
APPENDIX H - Complex Numbers - H Exercises - Page A 64: 16
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