Question

rationalise the denominator ​

Answer 1

Answer:

3-2✓2

Step-by-step explanation:

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Answer 2

Answer:

The denominator is 0

$\frac{2 \sqrt{5} - \sqrt{10} }{ 2 \sqrt{5} + \sqrt{10} } \times \frac{2 \sqrt{5} - \sqrt{10} }{2 \sqrt{5} - \sqrt{10 } } \\ \\ =$

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