The values of a which make the expression `x^2-ax +1-2a^2` always positive for real values of x are- A. `-2/3 lt a lt 2/3` B. `-2/3 le a le 2/3` C. `-2/3 le a le 1` D. `0 lt a lt 2/3`

The set of values of x satisfying 2 le | x-3| lt 4 is

Use real number line to find the range of values of x for which : -1 lt x le 6 and -2 le x le 3 .

The domain of the function f(x) = (1)/(sqrt(9-x^(2))) is a) -3 le x le 3 b) -3 lt x lt 3 c) -9 le x le 9 d) -9 lt x lt 9

Find the values of x which satisfy the following inequalities simultaneously: (a) -3 lt 2x -1 lt 19 (b ) -1 le (2x+3)/(5) le 3

Find the values of x which satisfy the following inequalities simultaneously: (a) -3 lt 2x -1 lt 19 (b ) -1 le (2x+3)/(5) le 3

For 2 lt x lt 4 find the values of |x|. (ii) For -3 le x le -1 , find the values of |x|. (iii) For -3 le x lt 1, find the values of |x| (iv) For -5 lt x lt 7 find the values of |x-2| (v) For 1 le x le 5 find fthe values of |2x -7|

For 2 lt x lt 4 find the values of |x|. (ii) For -3 le x le -1 , find the values of |x|. (iii) For -3 le x lt 1, find the values of |x| (iv) For -5 lt x lt 7 find the values of |x-2| (v) For 1 le x le 5 find fthe values of |2x -7|

For 2 lt x lt 4 find the values of |x|. (ii) For -3 le x le -1 , find the values of |x|. (iii) For -3 le x lt 1, find the values of |x| (iv) For -5 lt x lt 7 find the values of |x-2| (v) For 1 le x le 5 find fthe values of |2x -7|