1.

A circle has the same centre as an ellipse and passes through the foci F1 and F2 of the ellipse the two curves intersect in four points. Let P be any point of intersection. If the major axis of the ellipse is 15 and the area of ΔPF1F2 is 26, then the distance between foci is

Answer»

A circle has the same centre as an ellipse and passes through the foci F1 and F2 of the ellipse the two curves intersect in four points. Let P be any point of intersection. If the major axis of the ellipse is 15 and the area of ΔPF1F2 is 26, then the distance between foci is




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