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

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

If the equation of an ellipse is 2x^2 + 3y^2 - 8x + 6y+5=0 , then which of the following is/are true? (A) equation of auxiliary circle is x^2 + y^2 - 4x + 2y + 2 = 0 (B) equation of director circle is x^2 + y^2 + 2y=0 (C) the director circle will pass through (4, -2) (D) none of these

If the equation of an ellipse is 2x^2 + 3y^2 - 8x + 6y+5=0 , then which of the following is/are true? (A) equation of auxiliary circle is x^2 + y^2 - 4x + 2y + 2 = 0 (B) equation of director circle is x^2 + y^2 + 2y=0 (C) the director circle will pass through (4, -2) (D) none of these

The equation of a diameter of circle x ^(2) + y^(2)-6x + 2y =0, passing through origin is

The equation of a diameter of circle x ^(2) + y^(2)-6x + 2y =0, passing through origin is

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

The equation of the diameter of the circle x^(2) + y^(2) - 6x + 2y = 0 which passes through origin is

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

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