Rationalise
`(a) 5/(sqrt2+sqrt3)`
`(b) 2/(sqrt7+sqrt3)`

(sqrt7-sqrt3)^2

Rationalise (1)/(sqrt(7)-2)

Rationalise (2)/(sqrt(3)+sqrt(5))

Rationalise (1)/(sqrt(3)+sqrt(2))

rationalise (4)/(2+sqrt(3)+sqrt(7))

Which of the following is irrational? (a) (2-sqrt3)2 (b) (sqrt2+sqrt3)2 (c) (sqrt2-sqrt3)(sqrt2+sqrt3) (d) (2sqrt7)/7

(sqrt3 + sqrt7)^2

Rationalise the denominator of (3sqrt5+sqrt3)/(sqrt5-sqrt3)

Rationalise the denominators of the following (a) 1/(3+sqrt2) (b) 1/(sqrt7-sqrt6)