Question

Rationalise the denominator √75/√85​

Answer 1

Step-by-step explanation:

$= \frac{ \sqrt{75} }{ \sqrt{85} } \\ = \frac{ \sqrt{75 \times 85} }{ \sqrt{85 \times 85} } \\ = \frac{ \sqrt{255 \times 25} }{85} \\ = \frac{5 \sqrt{255} }{85} \\ = \frac{ \sqrt{255} }{17} \: is \: the \: answer$