Equation Of Director Circle And Normal

Director Circle and equation

Equation of director circle of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 is

Line and parabola || Length OF chord || Tangent to parabola || Director circle || Normals to parabola

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

Normals of parabola and Director Circle | Tangents and Normals of a parabola | Nomenclature of parabola and Chord of parabola based Questions

The Equation of director circle of x^(2)+y^(2)+6x+2y+1=0 is

The equation of the director circle of x^(2)//12-y^(2)//8=1 is

If normal at any point P to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(a>b) meets the axes at A and B such that PA:PB=1:2, then the equation of the director circle of the ellipse is

The equation of director circle of (x-x_(1))^(2)+(y-y_(1))^(2)=r^(2) is