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All India Engineering / Architecture Entrance Examination (AIEEE)

CBSE Guess > AIEEE > AIEEE Papers > 2009 > Maths

AIEEE 2009 Maths

 Q. 17. The sum to infinity of the series

  1. 6

  2. 2

  3. 3

  4. 4

Sol:  

  

Answer: (3)

Q. 18. The ellipse x2 + 4y2 = 4 is inscribed in a rectangle aligned with the coordinate axes, which in turn is inscribed in another ellipse that passes through the point (4, 0). Then the equation of the ellipse is

  1. 4x2 + 64y2 = 48

  2. x2 + 16y2 = 16

  3. x2 + 12y2 = 16

  4. 4x2 + 48y2 = 48

Sol: 

 

Answer: (3)