Mathematics · 2019
JEE Main · 10 April 2019, Shift 2 · Q82
If 5 x+9=0 is the directrix of the hyperbola 16 x^2-9 y^2=144, then its corresponding focus is:
If $\displaystyle 5 x+9=0$ is the directrix of the hyperbola $\displaystyle 16 x^2-9 y^2=144$, then its corresponding focus is :
Official answer
(1)
$\displaystyle (-5,0)$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.