If a directrix of a hyperbola.. |HYPERBOLA| JEE MAIN 2019

JEE MAIN_2019_

10-04-2019-S-1

Question

If a directrix of a hyperbola centred at the origin and passing through the point $(4,-2 \sqrt{3})$ is $5 x=4 \sqrt{5}$ and its eccentricity is $e$, then :

Select the correct option:

$4 e^4+8 e^2-35=0$

$4 e^4-24 e^2+35=0$

$4 e^4-12 e^2-27=0$

$4 e^4-24 e^2+27=0$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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