The equation to the director circle of `(x^2)/6+(y^2)/4=1` is

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

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

The equation of the director circle of the hyperbola (x^2)/(16)-(y^2)/(4) = 1 is given by :

The equation of the director circle of the hyperbola (x^(2))/(16)-(y^(2))/(4)=1 is given by

(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

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

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

The radius of the director circle of 16x^(2)+9y^(2)=144 is

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

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