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If the tangent at a point P on the parabola y 2 = 3 x is parallel to the line x + 2 y = 1 and the tangents at the points Q and R on the ellipse 1 y 4 x 2 4  = 1 are perpendicular to the line x – y = 2, then the area of the triangle PQR is

1. 3 5
2. 5 3
3. 5 9
4. 5 2 3

Correct answer: 5 3

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