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The triangle P Q R of area A is inscribe...

The triangle `P Q R` of area `A` is inscribed in the parabola `y^2=4a x` such that the vertex `P` lies at the vertex of the parabola and the base `Q R` is a focal chord. The modulus of the difference of the ordinates of the points `Qa n dR` is

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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