The condition that the line, x. cosθ + y. sin θ =p touches the parabola, y 2 = 4a (x + a)…

Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry

1. a – p cos θ = 0
2. a + p cos θ = 0
3. a cos θ – p = 0
4. a cos θ + p = 0

Answer

(B) a + p cos θ = 0

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