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Normals at three points P, Q, R at the parabola y2 = 4ax meet in a point A and S be its focus, if |SP|.|SQ|.|SR| = (SA)2, then, = ? (a) a3 (b) a2 (c) a (d) 1

Normals at three points P, Q, R at the parabola y2 = 4ax meet in a point A and S be its focus, if |SP|.|SQ|.|SR| = (SA)2, then, = ? (a) a3 (b) a2 (c) a (d) 1

Grade:12th Pass

1 Answers

Aman Bansal
592 Points
10 years ago

Dear Nilmani,

The correct answer is  b.

Best Of luck

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