College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding - Page 78: 4


cube root

Work Step by Step

$\sqrt[n]{a}$ is a radical, and we read "the nth root of a" The second and third roots have special names, the square root and the cube root. All others are 4th, 5th, etc. roots of a number. We call $\sqrt[3]{a}$ the cube root of a.
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