" (iii) "x^(2)+6x-10=0

6x^(2)+7x-10=0

(i) x^(2) + 6x + 5 = 0 (ii) y^(2) -10y+21 = 0

Find the roots of the following quadratic equations (if they exist) by the method of comleting the square: (1) 2x^(2)+x-4=0 " "(2) 6x^(2)+18x+10=0 (3) x^(2)+5x+7=0" "(4)x^(2)+3sqrt(3)x-12=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

If log_(10)(x^(2)-6x+10)=0, then the value of x is a.3 b.4 c.1 d.2

The locus of the centre of a circle which touches externally the circle x^(2)+y^(2)-6x-6y+14=0 and also touches Y-axis,is given by the equation (a) x2-6x-10y+14=0 (b) x2-10x-6y+14=0 (c) yr 6x-10y+14-0 (d) y,2-10x-6y+14=0

The locus of the centre of a circle which touches externally the circle x^2 + y^2-6x-6y+14 = 0 and also touches Y-axis, is given by the equation (a) x2-6x-10y+14 = 0 (b) x2-10x-6y + 14 = 0 (c) yr_6x-10y+14-0 (d) y,2-10x-6y + 14 = 0

If the roots alpha, beta , gamma of the equation x^(3)-6x^(2)+px+10=0 are in arithmetic progression, then alpha^(3)+beta^(3)+gamma^(3)=

Angle of intersection of x^(2)+y^(2)-6x-2y-10=0 and y=2x-5