Two tangents to the parabola y 2 = 4ax make angle α 1 and α 2 with the x-axis. The locus…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
Two tangents to the parabola y2 = 4ax make angle α1 and α2 with the x-axis. The locus of their point of intersection if \(\frac{\cot \alpha_{1}}{\cot \alpha_{2}}=2\) is :
- 2y2 = 9 ax
- 4y2 = 9 ax
- y2 = 9 ax
- none of these
Answer
(A) 2y 2 = 9 ax
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