If is the directrix of the hyperbola
then its corresponding focus is :
(5,0)
(-5 , 0)
eqn of hyperbola
Directrix of hyperbola
Now, from the eqn of hyperbola
,
As we know eccentricity =
Required focus is
Option (4) is correct answer.
(5,0)
Option 2)Option 3)Option 4)(-5 , 0)
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