# The eccentricity of the ellipse, if the minor axis is equal to the distance between the foci isA. B. C. D. Given that we need to find the eccentricity of the ellipse whose minor axis is equal to the distance between the foci.

We know that distance between foci is 2ae and length of minor axis is 2b.

2ae = 2b

b = ae

b2 = a2e2

We know that b2 = a2(1 - e2)

a2(1 - e2) = a2e2

a2 = 2a2e2  The correct option is C

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