Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.7 Multiplication and Division of Real Numbers - 1.7 Exercise Set: 125

Answer

We get the original number back.

Work Step by Step

If take the reciprocal of $x$: $\frac{1}{x}$ Then, we take the reciprocal of $\frac{1}{x}$: $\frac{1}{\frac{1}{x}}=x$
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