The acute angle between the pair of tangents drawn to the ellipse from the point is
- (A)
- (B)✓ Correct
- (C)
- (D)
Answer: (B)
Solution
The equation of a tangent to is .
For it to pass through :
Squaring:
Simplifying: , or .
For slopes : and .
The angle between the tangents:
Therefore, .
For it to pass through :
Squaring:
Simplifying: , or .
For slopes : and .
The angle between the tangents:
Therefore, .
JEE Main · 2022 · 26 Jul 2022 · Shift 2 · Single correct option