Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.3 - Fractional Exponents - Problem Set 11.3 - Page 489: 48



Work Step by Step

We can solve this one by inspection. Since the same thing is in the numerator and in the denominator, those two things cancel out to equal one. After all, even when considering expoenents, anything divided by itself (besides 0) is equal to one.
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