conic-section

Question: The length of the latus rectum of an ellipse is $\frac{1}{3}$ of the major axis. Its eccentricity is

1) $\frac{2}{3}$

2) $\sqrt{\frac{2}{3}}$

3) $\frac{5\times 4\times 3}{{{7}^{3}}}$

4) ${{\left( \frac{3}{4} \right)}^{4}}$

Solution:

Explanation: No Explanation

Ellipse

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