The area cut off from a parabola by any double ordinate is k time the corresponding rectangle contained by the double ordinate and its distance from the vertex. Find the value of k ?

Find the angle made by a double ordinate of length 8a at the vertex of the parabola y^2=4a xdot

Find the angle made by a double ordinate of length 8a at the vertex of the parabola y^2=4a xdot

Find the angle made by a double ordinate of length 2a at the vertex of the parabola y^(2)=ax .

Find the angle made by a double ordinate of length 8a at the vertex of the parabola y^2=4a xdot

Square of the distance of the point from x-axis is double of its distance from the origin.

A parabola reflector is 15 cm deep and its focus is at a distance of 5 cm from its vertex. Find the diameter of the reflector.

Prove that the length of a focal chord of a parabola varies inversely as the square of its distance from the vertex.

A particle is at a distance r from the axis of rotation. A given torque tau produces some angular acceleration in it. If the mass of the particle is doubled and its distance from the axis is halved, the value of torque to produce the same angular acceleration is -

Length of the double ordinate of the parabola y^(2) = 4x , at a distance of 16 units from its vertex is

The point (a ,2a) is an interior point of the region bounded by the parabola y^2=16 x and the double ordinate through the focus. then find the values of adot