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ECAT Mathematics QUESTION #759
Question 1
Which of the following does not have closure property?
  • [0, 1]
  • [1, -1]✔️
  • [0, 0]
  • None
Correct Answer Explanation
The set [1, -1] does not have closure property under addition because 1 + 1 = 2, which is not in the set.