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If the major axis is twice the minor axis, the eccentricity is
A1/√2
B2/3
C√3/2
D1/2
Answer & Solution
Correct answer: C. √3/2
With a = 2b, e² = 1 - b²/a² = 1 - 1/4 = 3/4, so e = √3/2.
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