Multivariable Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 0-53849-787-4
ISBN 13: 978-0-53849-787-9

Appendix G - Exercises - Page A12: 6

Answer

$2-i$

Work Step by Step

Given: $\overline{2i( \frac{1}{2}-i)}$ $\overline{2i( \frac{1}{2}-i)}=\overline{2-i^{2}}$ Since, $i^2=-1$ and $i=\sqrt{-1}$ Thus, $\overline{2i( \frac{1}{2}-i)}=\overline{2+i}$ To find the conjugate of a complex number, we reverse the sign of the imaginary part. Therefore, the conjugate must be: $=2-i$
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