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

The value of cos^(-1)sqrt(2/3)-cos^(-1)((sqrt(6)+1)/(2sqrt(3))) is equal to (A) pi/3 (B) pi/4 (C) pi/2 (D) pi/6

tan^(-1)sqrt(3)-cot^(-1)(-sqrt(3)) is equal to (A) pi (B) -pi/2 (C) 0 (D) 2sqrt(3)

1+(sqrt(2))/(2-sqrt(2)) is equal to

(3-sqrt(-16))/(1-sqrt(-25)) is equal to

(sqrt(-3))(sqrt(-5)) is equal to

1/(sqrt(9)-\ sqrt(8)) is equal to: (a) 3+2sqrt(2) (b) 1/(3+2sqrt(2)) (c) 3-2sqrt(2) (d) 3/2-\ sqrt(2)

the value of cos^-1sqrt(2/3)-cos^-1 ((sqrt6+1)/(2sqrt3)) is equal to:

(sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(3)) Is equal to :

int(sqrt(x))/(1+4sqrt(x^(3)))dx is equal to

(sqrt5 - sqrt3)/(sqrt5 + sqrt3) is equal to :