SOLUTION: √3-√6 over √3+√6 with a rationalized denominator

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Question 892473: √3-√6 over √3+√6 with a rationalized denominator
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
√3-√6 over √3+√6 with a rationalized denominator
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[sqrt(3)-sqrt(6)] / [sqrt(3)+sqrt(6)]
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Mutiply numerator and denominator by [sqrt(3)-sqrt(6)] to get::
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= [sqrt(3)-sqrt(6)]^2 / [3-6]
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= [3 + 6 - 2sqrt(18)] / (-3)
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= [9-2*3sqrt(2)]/(-3)
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= [7-3sqrt(2)]/(-3)
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Cheers,
Stan H.

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