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1. সেট D= {5, 4, 3, 2, }এর একটি সাব সেট হচ্ছে-

  • A. {4, 3, 2}
  • B. {4, 3, 2}
  • C. {4, 3, 2}
  • D. {4, 3, 2}

Answer: Option A

Explanation:


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