Point of intersection of tangent at any Two points on the Parabola

" The point of intersection of the tangents at the points on the parabola " y^(2)=4x " whose ordinates are " 4 " and " 6 " is

If (-2,5) and (3,7) are the points of intersection of the tangent and normal at a point on a parabola with the axis of the parabola, then the focal distance of that point is

If (-2,5) and (3,7) are the points of intersection of the tangent and normal at a point on a parabola with the axis of the parabola, then the focal distance of that point is

The locus of the point of intersection of the perpendicular tangents to the parabola x^(2)=4ay is

The locus of the point of intersection of the perpendicular tangents to the parabola x^2=4ay is .

The ,locus of the point of intersection of two perpendicular tangents to the parabola y^(2)=4ax is

The locus of point of intersection of the two tangents to the parabola y^(2)=4ax which intercept a given distance 4c on the tangent at the vertex is

The point of intersection of the tangents to the parabola at the points t_(1), and t_(2) is

The locus of the point of intersection of perpendicular tangents to the parabola y^(2)=4ax is