Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 357: 59

Answer

$0+0i$

Work Step by Step

$(2-5i)-(3+4i)-(-1-9i)=2-5i-3-4i+1+9i=(2-3+1)+(-5-4+9)i=0+(0)i=0+0i$
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