The length of the chord of the ellipse , whose mid point is , is equal to :
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
Using for the chord with midpoint :
Substituting into the ellipse equation and simplifying gives , so , with and correspondingly .
Substituting into the ellipse equation and simplifying gives , so , with and correspondingly .
JEE Main · 2024 · 27 Jan 2024 · Shift 1 · Single correct option