Ellipse Focal Distances (Jee Mains) | ExamDuo
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Ellipse
Medium
Ellipse Focal Distances
Let the ellipse 3x
2
+ py
2
= 4 pass through the centre C of the circle x
2
+ y
2
– 2x – 4y – 11 = 0 of radius r. Let f
1
, f
2
be the focal distances of the point C on the ellipse. Then 6f
1
f
2
– r is equal to
SELECT ONE OPTION
A
74
B
68
C
70
D
78
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