Hyperbola Eccentricity Latus Rectum (Jee Mains) | ExamDuo
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Hyperbola
Medium
Hyperbola Eccentricity Latus Rectum
Let one focus of the hyperbola H :
be at
and the corresponding directrix be
If e and
l
respectively are the eccentricity and the length of the latus rectum of H, then 9 (e
2
+
l
) is equal to:
SELECT ONE OPTION
A
14
B
15
C
16
D
12
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