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- Jun 17th 2012, 12:37 PM #1

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- Jun 17th 2012, 12:38 PM #2

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- Jun 17th 2012, 12:39 PM #3

- Jun 17th 2012, 05:17 PM #4
## Re: Can someone help me with this question

- Jun 17th 2012, 05:28 PM #5

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- Jun 17th 2012, 05:31 PM #6
## Re: Can someone help me with this question

I don't see what's so weird about it. The question asks the reader to write $\displaystyle \displaystyle \begin{align*} \frac{\sqrt{5} + \sqrt{10}}{\sqrt{5} - \sqrt{10}} \end{align*}$ with a rational denominator. The OP has misinterpreted the question as asking what would the

**denominator**becomes in the process of rationalising.