conic-section

Question: The equation of the ellipse whose foci are $(\pm 5,\ 0)$ and one of its directrix is $5x=36$ , is

1) $\frac{{{x}^{2}}}{36}+\frac{{{y}^{2}}}{11}=1$

2) $\frac{{{x}^{2}}}{6}+\frac{{{y}^{2}}}{\sqrt{11}}=1$

3) $\frac{{{x}^{2}}}{6}+\frac{{{y}^{2}}}{11}=1$

4) None of these

Solution:

Explanation: No Explanation

Ellipse

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