All India Engineering / Architecture Entrance Examination (AIEEE)

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AIEEE 2009 Maths

Q. 4. The lines p (p2 + 1) x – y + q = 0and (p2 + 1) x+ (p2 + 1) y + 2q = 0 are perpendicular to a common line for

  1. more than two values of p

  2. no value of p

  3. exactly one value of p

  4. exactly two values of p

Sol:

 

Answer: (3)

Q. 5. In a binomial distribution , if the probability of at least one success is greater than or equal to  , then n is greater than







Sol:

  

Answer: (2)

Q. 6. The differential equation which represents the family of curves , where and are arbitrary constants, is







Sol:  

Answer: (1)