Answer
The complex conjugate of 3+4i is 3-4i.
Work Step by Step
A complex conjugate is the opposite sign of the original number. Since the original number was 3 PLUS 4i, the complex conjugate is 3 MINUS 4i.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
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 63: 3
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