Thinking Mathematically (6th Edition)

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: 52

Answer

$18\sqrt{3}$

Work Step by Step

Simplify each radical when needed to obtain: $=4\sqrt{4(3)} + 2\sqrt{25(3)} \\=4(2)\sqrt{3} +2(5)\sqrt{3} \\=8\sqrt{3}+10\sqrt{3} \\=(8+10)\sqrt{3} \\=18\sqrt{3}$
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