Answer
$7-\sqrt3$
Work Step by Step
As written on page 41, radical expressions that involve the sum and difference of the same two terms are called conjugates, therefore,
The conjugate of $7+\sqrt3$ is $7-\sqrt3$.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Concept and Vocabulary Check - Page 48: 8
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