Question

rationalise the denominator the denominator of 2÷√3-√5
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Answer 1

Answer:

$\frac{2}{ \sqrt{3} - \sqrt{5} } = \frac{2}{ \sqrt{3} - \sqrt{5} } \times \frac{ \sqrt{3} + \sqrt{5} }{ \sqrt{3} + \sqrt{5} } = \frac{2( \sqrt{3} + \sqrt{5} )}{3 - 5} = - ( \sqrt{3} + \sqrt{5} )$