" 136."(sqrt(2)(2+sqrt(3)))/(sqrt(3)(sqrt(3)+1))times(sqrt(2)(2-sqrt(3)))/(sqrt(3)(sqrt(3)-1))" is equal to "quad " (C.P.O.,"2006

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

(sqrt(3)-1/(sqrt(3)))^2 is equal to

(1)/(sqrt(3))times(sqrt(2))/(sqrt(3))=

(sqrt(3)-sqrt(2))(1)/(sqrt(3))

(1)/(sqrt(2)+sqrt(3))+(1)/(sqrt(3)+sqrt(4))

(sqrt(2)(2+sqrt(3)))/(sqrt(3)(sqrt(3)+1))xx(sqrt(2)(2-sqrt(3)))/(sqrt(3)(sqrt(3)-1)) is equal to 3sqrt(2)(b)(sqrt(2))/(3) (c) (2)/(3) (d) (1)/(3)

(2+sqrt(3))/(2-sqrt(3))+(2-sqrt(3))/(2+sqrt(3))+(sqrt(3)+1)/(sqrt(3)-1)is

(sqrt(5)+sqrt(3))((3sqrt(3))/(sqrt(5)+sqrt(2))-sqrt(5)/(sqrt(3)+sqrt(2))) is equal to :