A double ordinate of the parabola `y^2 = 8px` is of length `16p.` The angle subtended by it at the vertex of the parabola is

If the double ordinate of the parabola y^(2)=8x is of length 16 then the angle subtended by it at the vertex of the parabola is

A double ordinate of the parabola y^(2)=8ax of length 16a the angle subtended by it at the vertex of the parabola is

If the straight line 4y-3x+18=0 cuts the parabola y^(2)=64x in P&Q then the angle subtended by PQ at the vertex of the parabola is

Prove that a double ordinate of the parabola y^2=4ax of length 8a subtends a right angle at its vertex.

A double ordinate of the parabola y^(2) = 4ax is of length 8a. Prove that the lines from the vertex to its two ends are at right angles.

A double ordinate of the parabola y^2=4ax is of length 8a. Prove that the lines from the Vertex to its two ends are at right angles.

A double ordinate of the parabola y^(2) = 4 ax is of length 8a . Prove that the lines joining the vertex to its two ends are at right angles .

Double ordinate A B of the parabola y^2=4a x subtends an angle pi/2 at the vertex of the parabola. Then the tangents drawn to the parabola at A .and B will intersect at (a) (-4a ,0) (b) (-2a ,0) (-3a ,0) (d) none of these

Statement 1: Normal chord drawn at the point (8, 8) of the parabola y^2=8x subtends a right angle at the vertex of the parabola. Statement 2: Every chord of the parabola y^2=4a x passing through the point (4a ,0) subtends a right angle at the vertex of the parabola.