Answer:
1. X n Y= {September,October,November,December}
2. Z n X= {Jan,Mar,May,July,Aug,Oct,Dec}
3. Z U Y= {Oct,Dec}
4. same with number 3
5. X-Z= {Feb,Apr,June,Sep,Nov}
Step-by-step explanation:
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Answers & Comments
Answer:
1. X n Y= {September,October,November,December}
2. Z n X= {Jan,Mar,May,July,Aug,Oct,Dec}
3. Z U Y= {Oct,Dec}
4. same with number 3
5. X-Z= {Feb,Apr,June,Sep,Nov}
Step-by-step explanation: