Let P(x_1, y_1) and Q(x_2, y_2), y_1 < 0, y_2 < 0, be the end points of the latus rectum of the ellipse x^2 + 4y^2 = 4. The equations of parabolas with latus rectum PQ are

JEE Advanced 2008 Mathematics question

Let and , , , be the end points of the latus rectum of the ellipse . The equations of parabolas with latus rectum are

Answer: (B),(C)

The ends of the latera recta with are . Using this as the parabola's latus rectum

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Question ID VK-000769