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Question

Mathematics Question on Conic sections

If the lines joining the focii of the ellipse x2a2+y2b2=1\frac{x^2}{a^2}+\frac{y^2}{b^2}=1 where a>b and an extremity of its minor axis is inclined at an angle 60°, then the eccentricity of the ellipse is

A

32\frac{\sqrt3}{2}

B

12\frac{1}{2}

C

73\frac{\sqrt7}{3}

D

13\frac{1}{\sqrt3}

Answer

12\frac{1}{2}

Explanation

Solution

The correct answer is option (B): 12\frac{1}{2}