What is the focal distance of any point `P(x_(1), y_(1))` on the parabola `y^(2)=4ax`?

Focal distance of a point p(x_(1),y_(1)) on the parabola x^(2)=4ay is

What is the length of the focal distance from the point P(x_(1),y_(1)) on the parabola y^(2) =4ax ?

The focal distance of the point (4,2) on the parabola x^(2)=8y is

The focal distance of the point (4,2) on the parabola x^(2)=8y is

The focal distance of the point (9,6) on the parabola y^(2)=4x is

The focal distance of the point (9,6) on the parabola y^(2)=4x is

The focal distance of the point (9,6) on the parabola y^(2)=4x is

If the normals at the points (x_(1),y_(1)),(x_(2),y_(2)) on the parabola y^(2)=4ax intersect on the parabola then

If focal distance of a point P on y^(2) = 8x is 4, then P is

If focal distance of point P on y^(2) = 4x is 6, then P is