If (5 , 12) and (24, 7) are the foci of a hyperbola passing through the origin, then (where e is eccentricity and LR is Latus Rectum)
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
e=386/12
b
e=386/13
c
LR=121/6
d
LR=121/3
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
We have foci S1(5, 12) and S2(24,7).Hyperbola passes through P(0, 0). ∴PS1−PS2=2a2a=K or 2a=(24−0)2+(7−0)2−122+52=12∴ a=6S1S2=2ae=(24−5)2+(12−7)2=386∴ e=38612 LR=2b2a=2a2e2−1a =2×6386144−1=1216