Let S and S’ be the foci of an ellipse and B be any one of the extremities of its minor axis. If ΔS' BS is a right angled triangle with right angle at B and area (ΔS'BS) = 8 sq units, then the length of a latus rectum of the ellipse is

Let S and S’ be the foci of an ellipse and B be any one of the extre

1.	Let S and S’ be the foci of an ellipse and B be any one of the extremities of its minor axis. If ΔS' BS is a right angled triangle with right angle at B and area (ΔS'BS) = 8 sq units, then the length of a latus rectum of the ellipse is
A.	\(2\sqrt 2\)
B.	\({\rm{\;}}4\sqrt 2\)
C.	2
D.	4
Answer» E.

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Let S and S’ be the foci of an ellipse and B be any one of the extremities of its minor axis. If ΔS' BS is a right angled triangle with right angle at B and area (ΔS'BS) = 8 sq units, then the length of a latus rectum of the ellipse is

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