The arithmetic mean of the ordinates of the feet of the normals from (2,6) to the parabola `y^2=4x` is

The arithmetic mean of the ordinates of the feet of the normals from (3,5) to the parabola y^(2)=8x is

The algebraic sum of the ordinates of the feet of 3 normals drawn to the parabola y^(2)=4ax from a given point is 0.

The algebraic sum of the ordinates of the feet of 3 normals drawn to the parabola y^2=4ax from a given point is 0.

The ordinates of the feet of three normals to the parabola y^(2)=4ax from the point (6a,0) are

Equation of the normal att =4 to the parabola y^(2)=6x is

The centroid of the triangle formed by the feet of three normals to the parabola y^2=4ax

The centroid of the triangle formed by the feet of three normals to the parabola y^(2)=4ax

The equation to the normal to the parabola y^(2)=4x at (1,2) is

The equation to the normal to the parabola y^(2)=4x at (1,2) is