IIT JEE 2012 Video Solutions Paper 1 (Maths) Q43

43. The ellipse E1 : x2 y2 9 4  = 1 is inscribed in a rectangle R whose sides are parallel to the coordinate axes. Another ellipse E2 passing through the point (0, 4) circumscribes the rectangle R. The eccentricity of the ellipse E2 is (A) root2/2 (B) root3/2 (C) 1/2 (D) 3/4 Ans. (C)

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