College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.6 - Rational Exponents - R.6 Exercises - Page 56: 46

Answer

$2\sqrt{2i}$

Work Step by Step

Rewrite 64 as 2 to the power 6. Note that this answer is not real. $((-1)(64))^{\frac{1}{2}}=(-1)^{\frac{1}{2}}(2^6)^{\frac{1}{2}}=2\sqrt{2i}$
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