The length of the double ordinate of the parabola `y^2 - 8x + 6y +1=0` which is at a distance of 32 units from vertex is

Length of the double ordinate of the parabola y^(2) = 4x , at a distance of 16 units from its vertex is

Length of the double ordinateof the parabola y^(2) = 4x , at a distance of 16 units from its vertex is

Length of the focal chord of the parabola (y +3)^(2) = -8(x-1) which lies at a distance 2 units from the vertex of the parabola is

Length of the focal chord of the parabola (y +3)^(2) = -8(x-1) which lies at a distance 2 units from the vertex of the parabola is

Length of the focal chord of the parabola (y +3)^(2) = -8(x-1) which lies at a distance 2 units from the vertex of the parabola is

Length of the focal chord of the parabola (y +3)^(2) = -8(x-1) which lies at a distance 2 units from the vertex of the parabola is (a) 8 (b) 6sqrt(2) (c) 9 (d) 5sqrt(3)

Ends of the double ordinate of y=16x which is at a distance of 8 units from the vertex is

The vertex of the parabola y^(2) + 6x -2y + 13=0 is:

The length or double ordinate of parabola , y^(2) = 8x which subtends an angle 60^(@) at vertex is