College Algebra (10th Edition)

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

Chapter 3 - Section 3.1 - Functions - 3.1 Assess Your Understanding: 5



Work Step by Step

RECALL: To rationalize the denominator, you have to multiply the conjugate of the denominator to both the numerator and the denominator. The conjugate of $\sqrt5-2$ is $\sqrt5+2$. Thus, the missing expression in the given statement is $\sqrt5+2$.
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