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1. যদি A = {১, ২, ৩}, B = {২, ৩, ৫} হয় তবে A\B = কত?

  • A. {২, ৩}
  • B. {২, ৩}
  • C. {২, ৩}
  • D. {২, ৩}

Answer: Option C

Explanation:

A = {১, ২, ৩}

B = {২, ৩, ৫}

A/B = {১, ২, ৩}\{২, ৩, ৫}

= {১}


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