Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.5 - Rationalizing Denominators and Numerators of Radical Expressions - Exercise Set: 35

Answer

$\sqrt 2-x$

Work Step by Step

We are told on page 442 that the conjugate of the term $(a+b)$ is the term$(a-b)$. Therefore, if $a=\sqrt 2$ and $b=x$, then the conjugate of the given expression is $a-b=\sqrt 2-x$.
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