"Rationalise the denominator in each of the  following:`2/(sqrt(7))`  (ii) `2/(3sqrt(3))`  (iii)
Channel: Doubtnut
Date: 05/07/2020

"Rationalise the denominator in each of the
  following:
`2/(sqrt(7))`

  (ii) `2/(3sqrt(3))`

  (iii) `(2sqrt(7))/(sqrt(11))`"