Mathematics · Set Theory
यदि A और B दो गैर-रिक्त समुच्चय हैं, तो A × B = B × A केवल और केवल तब सत्य होता है जब:
- 1A और B असंयुक्त समुच्चय हैं
- 2A = B✓
- 3हमेशा सत्य होता है
- 4A, B का एक उचित उपसमुच्चय है
सही उत्तर देखें
A = B
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