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Which relation is not reflexive on (A={1,2})?(A={1,2}) पर कौन-सा सम्बन्ध स्वतुल्य नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(1,1),(1,2)})({(1,1),(1,2)})
Step 1: For (A={1,2}), ((1,1)) and ((2,2)) are required. Step 2: The third relation does not contain ((2,2)). Step 3: Therefore it is not reflexive.चरण 1: (A={1,2}) के लिए ((1,1)) और ((2,2)) जरूरी हैं। चरण 2: तीसरे सम्बन्ध में ((2,2)) नहीं है। चरण 3: इसलिए वही स्वतुल्य नहीं है।
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