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1 Sep 2019

Prove that two mutually perpendicular tangent of the parabola y^2=4ax meet the axis at P1 and P2 . If S is the focus of the parabola , then 1/SP1 + 1/SP2 = 1/a

Prove that two mutually perpendicular tangent of the parabola y^2=4ax meet the axis at P1 and P2 . If S is the focus of the parabola , then 1/SP1 + 1/SP2 = 1/a


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