Question

5/5+√4 rationalise the denominator​

Answer 1

Here's your answer mate:

$\frac{5}{5 + \sqrt{4} } = > \frac{5}{5 + \sqrt{4} } \times \frac{5 - \sqrt{2} }{5 - \sqrt{4} } = > \frac{ {5}^{2} - 5 \sqrt{2} }{ {5}^{2} - {( \sqrt{4} )}^{2} } = > \frac{25 - 5 \sqrt{2} }{25 - 4} = > \frac{25 - 5 \sqrt{2} }{21} = > \frac{5(5 - \sqrt{2} )}{21}$

Hope it helps u*

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