If U = 1, 2, ldots, 12, A = 1, 2, 7, 8, 10, B = 1, 2, 5, 9, 12 and C = 4, 5, 7, 11, find (A cup B)'.

  1. 1, 2, 7
  2. 5, 7
  3. 1, 2, 5, 7, 8, 10
  4. 3, 4, 6, 11
Answer

D) 3, 4, 6, 11

Work out the brackets first. (A cup B)' = 3, 4, 6, 11. SLO M-09-A-11 · Application

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