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 Question from Debmalya: 5/√2+√3 –1/√2–√3

Hi,

I assume you are to simplify this expression. I can help get you started. When you see an expression with a root in the denominator such as $\large \frac{15}{\sqrt5},$ you can try this

$\frac{15}{\sqrt5} = \frac{15 \sqrt 5}{\sqrt 5 \sqrt 5} = \frac{15 \sqrt{5}} {5} = 3 \sqrt{5}.$

I hope this helps,
Penny

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