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![[Post New]](/templates/default/images/icon_minipost_new.gif) 3 Jan 2008 18:52:50 IST
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If "T" be any point on the tangent at any point P on the parabola,& if TL be perpendicular to the focal radius SP & TN be prpendicular to the directrix,prove that SL=TN.Hence obtain a geometric construction for the pair of tangents drawn to the parabola from any point T.
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Moderation Team
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