Answer
1
Work Step by Step
By definition, we know that when a number is multiplied by its reciprocal, the result must always be 1. Thus, if we want to see if two numbers are reciprocals, we test if their product is 1.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 2 - Multiplying and Dividing Fractions - 2.7 Dividing Fractions - 2.7 Exercises - Page 167: 53
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