Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A12: 98

Answer

$-\frac{1}{4x^2}$.

Work Step by Step

The given expression is $=(-4x^2)^{-1}$ Use the law of exponents $(a)^{-1}=\frac{1}{a}$ We have $a=-4x^2$ $=\frac{1}{-4x^2}$ Or we can write. $=-\frac{1}{4x^2}$.
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