Q.
In an ellipse, the distance between the foci is 6 and length of semi minor axis is 4, then eccentricity of the ellipse is
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a
25
b
35
c
23
d
12
answer is B.
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Detailed Solution
2ae=6 and b=4. So a2e2=a2−b2⇒a2=25 and e=35
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