SOLUTION: (√x-√y)/(√x+√y) Help me Rationalize the denominator, please.

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Question 524038: (√x-√y)/(√x+√y) Help me Rationalize the denominator, please.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
(√x-√y)/(√x+√y) Help me Rationalize the denominator, please.
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multiply numerator and denominator by (√x-√y). This makes the denominator a difference of squares.
[(√x-√y)/(√x+√y)][(√x-√y)(√x-√y)]
[(√x-√y)/(√x-√y)][(√x+√y)(√x-√y)]
[(√x-√y)^2][(x-y)]