[" (d) "x^(2)+y^(2)-2ky-9y+14=0,k>0],[" 6.Equation of circle inscribed in "[x-a|+|y-b|=1" is "],[[" (a) "(x+a)^(2)+(y+b)^(2)=2," ,"x," (a) "]," (c) "(sqrt(2))]

The centre of circle inscribed in a square formed by lines x^2-8x+12=0 a n d y^2-14 y+45=0 is

I. 15x^(2) - 2x-1=0 II. y^(2) - 9y+14 = 0

If the centre of the circle inscribed in a square formed by the lines x ^(2) - 8x + 12 =0 and y ^(2) - 14 y + 45 = 0 is (a,b), then a + b is

If x^(2)+y^(2)+6x+2ky+25=0 to touch y-axis then k=

If x^(2)+y^(2)+6x+2ky+25=0 to touch y-axis then k=

STATEMENT-1 : Equation of circle which touches the circle x^(2) + y^(2) - 6x +6y + 17 = 0 externally and to which the lines x^(2) - 3xy - 3x + 9y = 0 are normal is x^(2) + y^(2) - 6x - 2y +1 = 0 . STATEMENT-2 : Equation of circle which touches the circle x^(2) + y^(2) -6x + 6y + 17 = 0 internally and to which the line x^(2) - 3xy - 3x + 9y = 0 are normal is x^(2) + y^(2) -6x - 2y -15 = 0 . STATMENT-3 : Equation of circle which is orthogonal to circle x^(2) + y^(2) -6x + 6y + 17 = 0 and have normals along x^(2) -3xy -3x + 9y =0 is x^(2) + y^(2) - 6x -2 y-5 = 0 .

STATEMENT-1 : Equation of circle which touches the circle x^(2) + y^(2) - 6x +6y + 17 = 0 externally and to which the lines x^(2) - 3xy - 3x + 9y = 0 are normal is x^(2) + y^(2) - 6x - 2y +1 = 0 . STATEMENT-2 : Equation of circle which touches the circle x^(2) + y^(2) -6x + 6y + 17 = 0 internally and to which the line x^(2) - 3xy - 3x + 9y = 0 are normal is x^(2) + y^(2) -6x - 2y -15 = 0 . STATMENT-3 : Equation of circle which is orthogonal to circle x^(2) + y^(2) -6x + 6y + 17 = 0 and have normals along x^(2) -3xy -3x + 9y =0 is x^(2) + y^(2) - 6x -2 y-5 = 0 .

Find the area of an equilateral triangle inscribed in the circle x^(2)+y^(2)-6x+2y-28=0