Simplify `((sqrt2+2)/(2sqrt2))((sqrt2-2)/(2sqrt2))`

Simplify (x-sqrt2)(x+sqrt2)

Simplify: (3sqrt(2)-2sqrt(2))/(3sqrt(2)+2sqrt(3))+(sqrt(12))/(sqrt(3)-sqrt(2)) (ii) (sqrt(5)+sqrt(3))/(sqrt(5)-sqrt(3))+(sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(3))

(4+sqrt2)/(2+sqrt2)times(2-sqrt2)/(2-sqrt2)=?

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

Simplify sqrt((sqrt(2)+1)/(sqrt(2)-1))

Simplify: (sqrt(5)-2)/(sqrt(5)+2)-(sqrt(5)+2)/(sqrt(5)-2)

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

Simplify (2+sqrt3)/(sqrt5+sqrt2)

Simplify (sqrt3+2)^2-(sqrt3-2)^2

5.Simplify: (1/sqrt 2)/((2/sqrt3)+2)