Question

On rationalising the denominator of 1 by root7, we get..?​

Answer 1

$\frac{1}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} }$

$\frac{ \sqrt{7} }{ {( \sqrt{7} )}^{2} }$

$\frac{ \sqrt{7} }{7}$