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If t is the parameter of one end of a f...

If `t` is the parameter of one end of a focal chord of the parabola ` y^(2) = 4ax ` , show that the length of this focal chord is ` (t + (1)/(t))^(2)` .

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The correct Answer is:
` therefore PQ = a (t + (1)/(t))^(2)` .
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MARVEL PUBLICATION-CIRCLE AND CONICS -MISCELLANEOUS MCQs
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