All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2008 MATHEMATICS
Q. 27. A focus of an ellipse is at the origin. The directrix is the line x = 4 and the eccentricity is 
. Then the length of the semi-major axis is
Sol:
Q. 28. A parabola has the origin as its focus and the line x = 2 as the directrix. Then the vertex of the parabola is at
- (0, 1)
- (2, 0)
- (0, 2)
- (1, 0)
Sol:
