In an ellipse, the distance between its foci is 6 and minor axis is 8 . Then its eccentricity is....

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In an ellipse, the distance between its foci is 6 and
\( \mathrm{P} \)
minor axis is 8 . Then its eccentricity is
W
(1) \( \frac{3}{5} \)
(2) \( \frac{1}{2} \)
(3) \( \frac{4}{5} \)
(4) \( \frac{1}{\sqrt{5}} \)
.


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