Simplify: `(3+sqrt7)(3-sqrt7)`

Simplify: (3+sqrt 3)(3-sqrt3)

Simplify: sqrt(3-2sqrt(2))

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

Simplify : sqrt(3+2sqrt(2))

Simplify: -sqrt((-7)/(4))-sqrt((-1)/(7))

Simplify (5+sqrt(7))(5+sqrt(2))

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

Simplify: (sqrt 3 - sqrt 5)(sqrt 5+ sqrt 3)

Rationales the denominator and simplify: (sqrt(3)-sqrt(2))/(sqrt(3)+sqrt(2))

Simplify: (1)/(sqrt(3+2sqrt(2)))+(1)/(sqrt(3+2sqrt(2)))