Question

Rationalise the denominator of 1/route5.

Answer 1

hey mate here is ur ans
$\frac{1}{ \sqrt{5} } = \frac{ \sqrt{5} }{ \sqrt{5} \times \sqrt{5} } = \frac{ \sqrt{5} }{5}$
we multiply lowest rationalising factor that is root 5 to both numerator and denominator

hope it helps you frnd

Answer 2

hey friend!
ur solution:

we know that
rationalise the denominator use

a = 1/a

so

==> 1 /√5 × √5/√5

==> √5/5