JEE Main 2025 Mathematics question
Find the length of latus rectum of an ellipse, whose foci are (2, 5) and (2, –3) and the eccentricity of the ellipse is
Answer: (3)
Solution
2be=8, b=5, e²=1-a²/25=16/25, a²=9. Latus rectum = 2a²/b = 18/5
Find the length of latus rectum of an ellipse, whose foci are (2, 5) and (2, –3) and the eccentricity of the ellipse is
2be=8, b=5, e²=1-a²/25=16/25, a²=9. Latus rectum = 2a²/b = 18/5