Answer
$12-7i$
Work Step by Step
To find the conjugate of a complex number, we reverse the sign of the imaginary part, like so:
$\overline{12+7i}=12-7i$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Appendix G - Complex Numbers - G Exercises - Page A55: 5
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