The angle between the lines joining the vertex to the ends of a focal chord of a parabola is `90^0`. Statement 2: The angle between the tangents at the extremities of a focal chord is `90^0`.

Statement I: The lines from the vertex to the two extremities of a focal chord of the parabola y^2=4ax are perpendicular to each other. Statement II: If the extremities of focal chord of a parabola are (at_1^2,2at_1) and (at_2^2,2at_2) , then t_1t_2=-1 .

The locus of the middle points of the focal chords of the parabola, y^2=4x is:

The locus of the middle points of the focal chords of the parabola, y^2=4x is:

The locus of the middle points of the focal chords of the parabola, y 2 =4x

The harmonic mean of the segments of a focal chord of the parabola y^(2)=16ax, is

Angle between tangents drawn at ends of focal chord of parabola y^(2) = 4ax is

If the length of focal chord of y^2=4a x is l , then find the angle between the axis of the parabola and the focal chord.

If the length of focal chord of y^2=4a x is l , then find the angle between the axis of the parabola and the focal chord.

Let one end of focal chord of parabola y^2 = 8x is (1/2, -2) , then equation of tangent at other end of this focal chord is

If t is the parameter for one end of a focal chord of the parabola y^2 =4ax, then its length is :