Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.3 - Radicals and Rational Exponents - Exercise Set: 102

Answer

$\sqrt{7}$

Work Step by Step

RECALL: $\sqrt[n]{a^m} = a^{\frac{m}{n}}.$ Use the rule above to obtain $7^{\frac{2}{4}} \\=7^{\frac{1}{2}}.$ Write in radical form using the rule above to obtain $\sqrt{7}.$
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