" If the length of the normal chord to the parabola "y^(2)=4x" which subtends a right angle at the vertex is "

A normal chord of the parabola y^(2)=4ax subtends a right angle at the vertex if its slope is

A normal chord of the parabola y^2=4ax subtends a right angle at the vertex if its slope is

A normal chord of the parabola y^2=4ax subtends a right angle at the vertex if its slope is

A normal chord of the parabola y^2=4ax subtends a right angle at the vertex if its slope is

Find the locus of the middle points of the chords of the parabola y^(2)=4ax which subtend a right angle at the vertex of the parabola.

The length of normal chord of parabola y^(2)=4x , which subtends an angle of 90^(@) at the vertex is :

Find the locus of the middle points of the chords of the parabola y^2=4a x which subtend a right angle at the vertex of the parabola.