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If (A={1,2}) and (R={(1,2),(2,1)}), then what type is (R)?यदि (A={1,2}) और (R={(1,2),(2,1)}) है, तो (R) कैसा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Symmetricसममित
Step 1: The reverse of ((1,2)), which is ((2,1)), is present. Step 2: The reverse of ((2,1)) is also present, so the relation is symmetric. Step 3: For small sets, list every pair and its reverse.चरण 1: संबंध में ((1,2)) का उलटा ((2,1)) मौजूद है। चरण 2: ((2,1)) का उलटा ((1,2)) भी मौजूद है, इसलिए यह सममित है। चरण 3: छोटे समुच्चय में सभी युग्मों को लिखकर जाँच करना आसान रहता है।
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