Let PQ be a focal chord of the parabola `y^2 = 4ax` The tangents to the parabola at P and Q meet at a point lying on the line `y = 2x + a, a > 0`. Length of chord PQ is

Let PQ be a focal chord of the parabola y^(2) = 4ax . The tangents to the parabola at P and Q meet at a point lying on the line y = 2x + a, a gt 0. If chord PQ subtends an angle theta at the vertex of y^(2) = 4ax , then tantheta=

Let PQ be a focal chord of the parabola y^(2)=4ax . The tangents to the parabola at P and Q meet at point lying on the line y=2x+a,alt0 . If chord PQ subtends an angle theta at the vertex of y^(2)=4ax , then tantheta=

Let PQ be a focal chord of the parabola y^(2)=4ax such that tangents at P and Q meet at point on the line y=2x+a, agt0, If PQ subtends an angle theta at the vertex of y^(2)=4ax , then tan theta =

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

Let PQ be a focal chord of the parabola y^(2)=4x . If the centre of a circle having PQ as its diameter lies on the line sqrt5y+4=0 , then length of the chord PQ , is

If PQ is a focal chord of parabola y^(2) = 4ax whose vertex is A , then product of slopes of AP and AQ is