Range of `f(x) =1/(1-2cosx)` is (1) `[1/3,1]` (2) `[-1,1/3]` (3) `(-oo,-1]uu[1/3,oo)` (4) `[-1/3,1]`

Range of f(x) =1/(1-2cosx) is(i)[ 1/ 3 , 1 ] (ii) [-1,(1)/(3)] (iii) (-oo,-1)uu[(1)/(3),oo) (iv) [-(1)/(3),1]

Range of f(x)=(1)/(1-2cos x) is (1)[(1)/(3),1] (2) [-1,(1)/(3)](3)(-oo,-1]uu[(1)/(3),oo)(4)[-(1)/(3),1]

The range of f(x)=(x^(4))/(1+x^(8)) is (1)[0,oo)(2)[0,(1)/(2)](3)[0,1](4)(-oo,oo)

The range of (x ^ (2) -2x + 3) / (x ^ (2) -2x-8) AA x in R is (i) (- oo, 0] uu [1, oo) (ii) [ (1) / (2), 2] (iii) (- oo, - (2) / (9)] uu [1, oo) (iv) (oo, -6] uu ([- 2, oo)

If f:R->R where f(x) = ax + cosx is an invertible function, then (a).(-2, -1]uu [1,2) ; (b).[-1,1] ; (c).(-oo, -1]uu [1,oo) ; (d).(-oo, -2]uu [2,oo) .

The domain of f(x)=3/(4-x^2)+log_(10) (x^3-x) (1) (-1,0)uu(1,2)uu(3,oo) (2) (-2,-1)uu(-1,0)uu(2,oo) (3) (-1,0)uu(1,2)uu(2,oo) (4) (1,2)uu(2,oo)

The solution set of the inequation (3)/(|x|+2) O (-1,1) O [-1,1] O (-oo,-1]uu[1,oo) O (1, oo)

The domain of the function f(x)=(sin^(-1)(3-x))/(I n(|x|-2)i s (a) [2,4] (b) (2,3)uu(3,4] (c) (0,1)uu(1,oo) (d) (-oo,-3)uu(2,oo)

The domain of the function f(x)=(sin^(-1)(3-x))/(I n(|x|-2)i s (a) [2,4] (b) (2,3)uu(3,4] (c) (0,1)uu(1,oo) (d) (-oo,-3)uu(2,oo)

The domain of the function f(x)=(sin^(-1)(3-x))/(I n(|x|-2))i s [2,4] (b) (2,3)uu(3,4] (c) (0,1)uu(1,oo) (d) (-oo,-3)uu(2,oo)