If the length of the major axis of an ellipse is three \( \mathrm{P...

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If the length of the major axis of an ellipse is three
\( \mathrm{P} \) times the length of its minor axis, then its

W eccentricity is:
(2) \( \frac{1}{\sqrt{3}} \)
(3) \( \frac{1}{\sqrt{2}} \)
(4) \( \frac{2 \sqrt{2}}{3} \)
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