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 ExamsCo-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 :
  1. SL = 2 (TN)
  2. 3(SL) = 2 (TN)
  3. SL = TN
  4. 2 (SL) = 3 (TN)

Answer

(C) SL = TN

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