If A = { x Î IR : x² + 6x -7<0} and B={ x ÎIR: x² + 9x + 14> 0}

If A = { x Î IR : x² + 6x -7<0} and B={ x ÎIR: x² + 9x + 14> 0}, then which of the following is/are correct?
1. (A Ç B) = (-2, 1)                            2. (A/B) = (-7, -2)
Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Anurag Mishra Professor Asked on 3rd October 2015 in Maths.
Add Comment
  • 0 Answer(s)
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.