Answer
$\sqrt{5}+2$
Work Step by Step
The given expression is $\dfrac{5}{\sqrt{5}-2}$.
To rationalize the denominator, we need to multiply both the numerator and the denominator by $\sqrt{5}+2$.
Hence the answer is $\sqrt{5}+2$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 2 - Functions and Their Graphs - 2.1 Functions - 2.1 Assess Your Understanding - Page 56: 5
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
