TS EAMCET · Maths · Ellipse
For the ellipse \(4 x^2+y^2-8 x+2 y+1=0\), the focus and the equation of the directrix are respectively
- A \(\left(-1-\frac{4}{\sqrt{3}}, 1\right), y+\sqrt{3}+1=0\)
- B \((-1-\sqrt{3}, 1), \sqrt{3} y+\sqrt{3}+4=0\)
- C \(\left(1,-1-\frac{4}{\sqrt{3}}\right), y+\sqrt{3}+1=0\)
- D \((1,-1-\sqrt{3}), \sqrt{3} y+\sqrt{3}+4=0\)
Answer & Solution
Correct Answer
(D) \((1,-1-\sqrt{3}), \sqrt{3} y+\sqrt{3}+4=0\)
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