MCQ
माना $ A$ और $B $ समुच्चय $X $ के उपसमुच्चय हैं, तब
- A$A - B = A \cup B$
- B$A - B = A \cap B$
- C$A - B = {A^c} \cap B$
- ✓$A - B = A \cap {B^c}$
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