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

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