The focal chord of the parabola perpendicular to its axis is called as

If C is a circle described on the focal chord of the parabola y^(2)=4x as diameter which is inclined at an angle of 45^(@) with the axis,then the

Prove that the line joining the orthocentre to the centroid of a triangle formed by the focal chord of a parabola and tangents drawn at its extremities is parallel to the axis of the parabola.

Prove that the line joining the orthocentre to the centroid of a triangle formed by the focal chord of a parabola and tangents drawn at its extremities is parallel to the axis of the parabola.

Prove that the line joining the orthocentre to the centroid of a triangle formed by the focal chord of a parabola and tangents drawn at its extremities is parallel to the axis of the parabola.

Prove that the line joining the orthocentre to the centroid of a triangle formed by the focal chord of a parabola and tangents drawn at its extremities is parallel to the axis of the parabola.

OA is the chord of the parabola y^(2)=4x and perpendicular to OA which cuts the axis of the parabola at C. If the foot of A on the axis of the parabola is D, then the length CD is equal to

OA is the chord of the parabola y^(2)=4x and perpendicular to OA which cuts the axis of the parabola at C. If the foot of A on the axis of the parabola is D, then the length CD is equal to

the distance of a focal chord of the parabola y^(2)=16x from its vertex is 4 and the length of focal chord is k ,then the value of 4/k is

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