Simplify `sqrt3/sqrt7+2/sqrt7`

Simplify (sqrt3+sqrt2)/(sqrt3+sqrt6)

Simplify (3+sqrt5)/(sqrt7-sqrt3)

Simplify (7sqrt3)/(sqrt10+sqrt3)-(2sqrt5)/(sqrt6+sqrt5)-(3sqrt2)/(sqrt15+3sqrt2)

Simplify: (sqrt5-sqrt2)(sqrt2-sqrt3)

Simplify (sqrt(3)+sqrt(2))/(sqrt(3)-sqrt(2))

Simplify (sqrt(3)+sqrt(2))(sqrt(2)-sqrt(3))

Simplify (2/7-5/sqrt7)/(sqrt7-1/sqrt7)

Simplify (sqrt(7)+sqrt(2))(sqrt(7)-sqrt(2))

Rationales the denominator and simplify: (sqrt(3)-sqrt(2))/(sqrt(3)+sqrt(2))( ii) (5+2sqrt(3))/(7+4sqrt(3))