Answer
$2-i$
Work Step by Step
$2i(\displaystyle \frac{1}{2}-i)$
We distribute:
$=i-2*-1$
$=2+i$
Therefore, the conjugate must be:
$\overline{2+i}$
$=2-i$
(To find the conjugate of a complex number, we reverse the sign of the imaginary part.)
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: 6
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