The parametric equation of a parabola is x = t 2 + 1, y = 2t + 1 . The Cartesian equation…

Mathematics · JEE Main · NTA ExamsCo-ordinate Geometry

The parametric equation of a parabola is x = t2 + 1,
y = 2t + 1 . The Cartesian equation of its directrix is
  1. x = 0
  2. x + 1 = 0
  3. y = 0
  4. none of these

Answer

(A) x = 0

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