If 5x + 9 = 0 is the directrix of the hyperbola 16x2 – 9y2 = 144, then its corresponding focus is :
JEE · Math · previous-year question
- A.$$\left( {{5 \over 3},0} \right)$$
- B.(5, 0)
- C.(- 5, 0)
- D.$$\left( { - {5 \over 3},0} \right)$$
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