Answer
See explanations.
Work Step by Step
Step 1. Simplify $\sqrt {12}=\sqrt {2\times2\times3}=2\sqrt 3$
Step 2. Take the sum $\sqrt 3+\sqrt {12}=\sqrt 3+2\sqrt 3=3\sqrt 3$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.3 - Radicals and Rational Exponents - Exercise Set - Page 47: 122
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