#### Answer

$2\sqrt 11$

#### Work Step by Step

We rationalize the denominator:
=$22/\sqrt 11$
=$22*\sqrt 11/\sqrt 11*\sqrt 11$ (Multiply and divide by $\sqrt 11$)
=$(22*\sqrt 11)/11$
=$2\sqrt 11$

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$2\sqrt 11$

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