Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-2 Multiplying and Dividing Rational Expressions - Practice and Problem-Solving Exercises - Page 662: 31


$\frac{1}{c^2 -1}$

Work Step by Step

To find the reciprocal of $c^2 - 1$, we must first write it as a fraction: $\frac{c^2-1}{1}$. Nowwe need to find that value that multiplies by the expression to equal 1, which is $\frac{1}{c^2 -1}$. $\frac{c^2-1}{1} \times \frac{1}{c^2 -1} = 1$
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