1.

Let S and T be the foci of an ellipse x2a2+y2b2=1(a>b) and B be an extreme point of the minor axis. If SBT is an equilateral triangle, then the value of 4e is (where e is the eccentricity of the ellipse)

Answer» Let S and T be the foci of an ellipse x2a2+y2b2=1(a>b) and B be an extreme point of the minor axis. If SBT is an equilateral triangle, then the value of 4e is (where e is the eccentricity of the ellipse)


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