Question

2\√5 +√7
rationalise the denominator of fraction

Answer 1

Step-by-step explanation:

$\frac{2}{ \sqrt{5} + \sqrt{7} } \times \frac{ \sqrt{5} - \sqrt{7} }{ \sqrt{5} - \sqrt{7} } \\ \frac{2( \sqrt{5} - \sqrt{7}) }{ - 2} \\ \sqrt{7} - \sqrt{5} \\ \\ hope \: it \: will \: help \: you$