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1. যদি Q = {x : x, 9 এর গুণনীয়কসমূহ } হলে নিচের কোনটি সঠিক -

  • A. Q = {1, 3, 9}
  • B. Q = {1, 3, 9}
  • C. Q = {1, 3, 9}
  • D. Q = {1, 3, 9}

Answer: Option A

Explanation:

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