Question

Ratoinal1ise the denominator of
1/root5-root4

Answer 1

Answer:

⭐ Answer ⭐

$\frac{1}{ \sqrt{5} - \sqrt{4} } \\ \\ multiply \: both \: numerator \\ and \: denominator \: by \: \sqrt{5} + \sqrt{4} \\ \\ \frac{1}{ \sqrt{5} - \sqrt{4} } \times \frac{ \sqrt{5} + \sqrt{4} }{ \sqrt{5} + \sqrt{4} } \\ \\ \frac{ \sqrt{5} + \sqrt{4} }{5 - 4} \\ \\ = \frac{ \sqrt{5} + \sqrt{4} }{1}$