Answer
$6\sqrt{13}$
Work Step by Step
Factor the radicand so that one factor is a perfect square:
$=3\sqrt{4(13)}
\\=3\sqrt{2^2(13)}$
Simplify the square root of the perfect square factor:
$=3(2)\sqrt{13}
\\=6\sqrt{13}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.4 The Irrational Numbers - Exercise Set 5.4 - Page 296: 24
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