Conic Sections Question 176

Question: From the point (-1, -60) two tangents are drawn to the parabola $ y^{2}=4x $ . Then the angle between the two tangents is

[J & K 2005]

Options:

A) 30°

B) 45°

C) 60°

D) 90°

Show Answer

Answer:

Correct Answer: D

Solution:

The given point (-1, -60) lies on the directrix $ x=-1 $ of the parabola $ y^{2}=4x $ . Thus the tangents are at right angle.