The value of `(2+sqrt(2))(2-sqrt(2))` is:

The value of (2 + sqrt(3))/(2- sqrt(3)) + (2- sqrt(3))/(2 + sqrt(3)) + ( sqrt(3) + 1)/(sqrt(3) -1) is

If x*y=sqrt(x^2+y^2) the value of (1*2 sqrt 2)(1*-2 sqrt 2) is

The value of (sqrt(5)-2)(sqrt(5)-2) is:

If a=(4sqrt(6))/(sqrt(2)+sqrt(3)) then the value of (a+2sqrt(2))/(a-2sqrt(2))+(a+2sqrt(3))/(a-2sqrt(3))

The value of (sqrt(5)+sqrt(2))^2 is:

If x=sqrt(1+sqrt(3)/(2))-sqrt(1-sqrt(3)/(2)) , then the value of (sqrt(2)-x)/(sqrt(2)+x) will be closet to :