Let PQ be a focal chord of the parabola
The tangents to the parabola at P and Q meet at a point lying on the line y = 2x + a, a > 0.
1.Length of chord PQ is?
2.If chord PQ subtends an angle θ at the vertex of y2 = 4ax, then tanθ =
Devendra Yadav Maths 30 Apr, 2018 1665 views