#### Answer

$7-\sqrt{3}$

#### Work Step by Step

RECALL:
The conjugate of $a+\sqrt{b}$ is $a - \sqrt{b}.$
Thus, the conjugate of the given expression is
$7-\sqrt{3}.$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$7-\sqrt{3}$

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