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Which relation is not symmetric?कौन-सा संबंध सममित नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({(1,2),(2,3),(3,2)})({(1,2),(2,3),(3,2)})
Step 1: In option D, ((2,3)) is matched by ((3,2)). Step 2: But the reverse of ((1,2)), which is ((2,1)), is missing. Step 3: If even one pair is missing its reverse, the relation is not symmetric.चरण 1: विकल्प D में ((2,3)) के साथ ((3,2)) है। चरण 2: लेकिन ((1,2)) का उल्टा ((2,1)) नहीं है। चरण 3: एक भी युग्म का उल्टा गायब हो तो संबंध सममित नहीं रहता।
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