If a directrix of a hyperbola centered at the origin and passing
through the point is and its
eccentricity is e , then :
Std eqn of Hyperbola
it passes through
So,
=> ..........................(1)
given eqn of directrix
=>
Also,
=> ...................................(2)
And we know that
................................(3)
from (1),(2) and (3)
=>
=>
correct option (3)
Option 1)
Option 2)
Option 3)
Option 4)
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