If the image of the point in the line lies on the circle , then r is equal to :
- (A)1
- (B)2✓ Correct
- (C)75
- (D)3
Answer: (B)
Solution
Reflect in the line : using with :
; factor .
This image point lies on :
; factor .
This image point lies on :
JEE Main · 2024 · 08 Apr 2024 · Shift 2 · Single correct option