Question

1/√7 rationalise the denominator ​

Answer 1

1/√7=1/√7×√7/√7

√7/49

Answer 2

Answer -

$\mathscr{ \frac{1}{ \sqrt{7} }} \\ \\ \mathscr{ \frac{1}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } } \\ \\ \frac{ \sqrt{7} }{( \sqrt{7})^{2} } \\ \\ \boxed{ \bf \frac{ \sqrt{7} }{7}}$