D e or these 20. Ifr, and r, are the lengths of perpendicular chords of the parabola y? =4ax drawn through the vertex, then (Tr.)" =

If r_(1) and r_(2) are the lengths of perpendicular chords of the parabola y^(2)=4ax drawn through the vertex,then (r_(1)r_(2))^((4)/(3))

If r_(1) and r_(2) are lengths of perpendicular chords of the parabola drawn through vertex then (r_(1)r_(2))^((4)/(3)) is

If r_(1), r_(2) be the length of the perpendicular chords of the parabola y^(2) = 4ax drawn through the vertex, then show that (r_(1)r_(2))^(4//3) = 16a^(2)(r_(1)^(2//3) +r_(2)^(2//3))

Show that if r_1 and r_2 be the lengths of perpendicular chords of a parabola drawn through the vertex, then (r_1 r_2)^(4/3) = 16a^2 (r_1^(2/3) + r_2^(2/3))

Length of the shortest normal chord of the parabola y^2=4ax is

Length of the shortest normal chord of the parabola y^2=4ax is

Length of the shortest normal chord of the parabola y^2=4ax is

The locus of the middle points of all chords of the parabola y^(2)=4ax passing through the vertex is

Length of the focal chord of the parabola y^(2)=4ax at a distance p from the vertex is: