Answer
False
Work Step by Step
To rationalize this denominator, you need to multiply by the conjugate, which is $4 + \sqrt{5}$.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 9 - Roots and Radicals - 9.4 - Products and Quotients Involving Radicals - Concept Quiz 9.4 - Page 417: 5
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