The equation of director circle to the circle `x^(2) + y^(2) = 8` is

Show that the locus of points from which the tangents drawn to a circle are orthogonal, is a concentric circle. Or Find the equation of the director circle of the circle x^2 + y^2 = a^2 .

Show that the locus of points from which the tangents drawn to a circle are orthogonal, is a concentric circle. Or Find the equation of the director circle of the circle x^2 + y^2 = a^2 .

Statement 1 The equation of the director circle to the ellipse 4x^(2)+9y^(2)=36 is x^(2)+y^(2)=13 Statement 2 The locus of the point of intersection of perpendicular tangents to an ellipse is called the director circle.

Statement 1 The equation of the director circle to the ellipse 4x^(2)+9y^(2)=36 is x^(2)+y^(2)=13 Statement 2 The locus of the point of intersection of perpendicular tangents to an ellipse is called the director circle.

The equation to the director circle of the ellipse 2x^(2)+3y^(2)=6 is

The equation of the director circle of the ellipse x^(2)+2y^(2)+2x-12y+15=0 is :

(i) Find the equation of director circle of 9x^(2) + 25 y^(2)=225 (ii) Find the equation of auxiliary circle of 9x^(2) + 1 6 y^(2) =144

Find the equation of the circle concentric with the circle x^(2) + y^(2) - 8x + 6y -5 = 0 and passing through the point (-2, -7).

Find the equation of the circle concentric with the circle x^(2) + y^(2) - 8x + 6y -5 = 0 and passing through the point (-2, -7).