1. U= {1, 2, 3, 4, 6, 9, 12, 18}
2. A= {1, 2, 3, 4, 6, 12}
3. B= {1, 2, 3, 6, 9, 18}
4. A∩B= {1, 2, 3, 6}
5. sign of a null set
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Answers & Comments
1. U= {1, 2, 3, 4, 6, 9, 12, 18}
2. A= {1, 2, 3, 4, 6, 12}
3. B= {1, 2, 3, 6, 9, 18}
4. A∩B= {1, 2, 3, 6}
5. sign of a null set