Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If e and e’ are eccentricities of hyperbola and its conjugate respectively, then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let hyperbola is 
.....(i)
Then its conjugate will be, 
.....(ii)
If 
is eccentricity of hyperbola (i), then 
or 
.....(iii)
Similarly if e ' is eccentricity of conjugate (ii), then 
or 
.....(iv)
Adding (iii) and (iv), 
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