The power ofthe centre of `x^2+y^2-8x+4y-10=0` with respect to `5x^2 +5y^2 +4x +2y-1=0` is

Find the pole of 3x + 4y -0 45 = 0 with respect to x^(2) + y^(2) - 6x 8y + 5 = 0

The centre of ellipse 4x ^(2) + y^(2) -8x + 4y-8=0 is

The pole of the line x-2y+5=0 with respect to the circle x^(2)+y^(2)-4x+2y-4=0 lies on

The centre of ellipse 5x^(2)+5y^(2)-2xy+8x+8y+2=0 is

The locus of the centre of the circle which cuts the circles x^(2) + y^(2) + 4x - 6y + 9 = 0 " and " x^(2) + y^(2) - 5x + 4y + 2 = 0 orthogonally is

The distanc of the point (1,-2) from the common chord of the circles x^(2) + y^(2) - 5x + 4y - 2 = 0 " and " x^(2) + y^(2) - 2x + 8y + 3 = 0

The equation of the circle having the intercept on the line y+2x=0 by the circle x^2 + y^2 + 4x + 6y = 0 as a diameter is : (A) 5x^2 + 5y^2 - 8x + 16y =0 (B) 5x^2 + 5y^2 + 8x - 16y =0 (C) 5x^2 + 5y^2 - 8x - 16y =0 (D) 5x^2 + 5y^2 + 8x+- 16y =0