Question

retionalise the following

Answer 1

1/√7

If you want to rationalise it then you have to multiply both the numerator and denominator by √7
==> 1/√7 * √7/√7 = √7/7
Hence, it is rationalised....

Hope this helpz :)

Answer 2

Hey Mate :

Here is your answer :
__________________________

Given,

$\frac{1}{ \sqrt{7} } = \\ \\ rationalize \: with \: \frac{ \sqrt{7} }{ \sqrt{7} } \\ \\ \frac{1}{ \sqrt{7} } = \frac{1}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } \\ \\ = \frac{ \sqrt{7} }{7}$

HOPE THIS HELPS U...