T is a point on the tangent to a parabola y 2 = 4ax at its point P. TL and TN are the…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
T is a point on the tangent to a parabola y2 = 4ax at its point P. TL and TN are the perpendiculars on the focal radius SP and the directrix of the parabola respectively. Then :
- SL = 2 (TN)
- 3(SL) = 2 (TN)
- SL = TN
- 2 (SL) = 3 (TN)
Answer
(C) SL = TN
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