How do you rationalize the denominator $(2sqrt108)/(sqrt180y)$ ?

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Answer 1 · 2015-05-28T17:26:17

$(2sqrt(108))/(sqrt(108)y)$

$= (2 * cancel(sqrt(108)))/(y * cancel(sqrt(108)))$

$=2/y$ which has a rational denominator as long as $yepsilonQQ$

How do you rationalize the denominator (2sqrt108)/(sqrt180y)(2sqrt108)/(sqrt180y)?