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Points A, B, C lie on the parabola y^2=4...

Points A, B, C lie on the parabola `y^2=4ax` The tangents to the parabola at A, B and C, taken in pair, intersect at points P, Q and R. Determine the ratio of the areas of the `triangle ABC` and `triangle PQR`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  16. The equation of the directrix of the parabola with vertex at the origi...

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