JA 10U (ii) 12 x? +1x+5V2 =0

Find the roots of the following quadratic equations i) 6sqrt5 x^(2) – 9x -3sqrt5 = 0 ii) x^(2) - x - 12 = 0 iii) 2x^(2) - 6x + 7 = 0 iv) 4x^(2) - 4x+17 = 3x^(2) -10x-17 v) x^(2) + 6x + 34 = 0 vi) 3x^(2) + 2x - 5 = 0

Find A' for A={3,6,7,8}, where universal set 'U' is given by : (i) 'U={1,2, …..10}'. (ii) 'U={1, 2, .. .,, 15} .

I. 10x^(2) - 7x + 1= 0" " II. 35y^(2) - 12y + 1 = 0

If the roots of the equation x^(3) -10 x + 11 = 0 are u, v, and w, then the value of 3 cosec^(2) (tan^(-1) u + tan^(-1) v + tan^(-1 w) is ____

If the roots of the equation x^(3) -10 x + 11 = 0 are u, v, and w, then the value of 3 cosec^(2) (tan^(-1) u + tan^(-1) v + tan^(-1 w) is ____

If the roots of the equation x^(3) -10 x + 11 = 0 are u, v, and w, then the value of 3 cosec^(2) (tan^(-1) u + tan^(-1) v + tan^(-1) w) is ____

If the roots of the equation x^(3) -10 x + 11 = 0 are u, v, and w, then the value of 3 cosec^(2) (tan^(-1) u + tan^(-1) v + tan^(-1 w) is ____

I. 12x^(2) + 17x+ 6 = 0" " II. 6y^(2) + 5y + 1 = 0

I. x^(2) - 7x + 10 = 0" "II. Y^(2) - 12y + 35 = 0