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Let PQ be a focal chord of the parabola y 2 = 4ax. The tangent to the parabola of P & Q meet at a point lying on the line y = 2x + a, a > 0. Length of PQ chord is a) 7a b) 5a c) 2a d) 3a

Let PQ be a focal chord of the parabola y2 = 4ax. The tangent to the parabola of P & Q meet at a point lying on the line y = 2x + a, a > 0. Length of PQ chord is
a) 7a
b) 5a
c) 2a
d) 3a

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
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