JEE Main2019Math
Q.
If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is :
- A
- B
- C
(–5, 0)
- D
(5, 0)
Solution

If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is :
(–5, 0)
(5, 0)
