A. हर pair अपना reverse खुद है/each pair is its own reverse
Explanation
Simple Explanation
Diagonal pair ( (a,a) ) का reverse भी ( (a,a) ) ही होता है। इसलिए केवल diagonal pairs वाला relation symmetric है। / The reverse of a diagonal pair ( (a,a) ) is the same pair ( (a,a) ). Hence a relation with only diagonal pairs is symmetric.
Mathematics Answer, Explanation and Revision Hints
यदि \(R=\{(1,1),(2,2)\}\) है, तो (R) symmetric क्यों है? / If \(R=\{(1,1),(2,2)\}\), why is (R) symmetric?
Correct Answer: A. हर pair अपना reverse खुद है / each pair is its own reverse. Explanation: Diagonal pair ( (a,a) ) का reverse भी ( (a,a) ) ही होता है। इसलिए केवल diagonal pairs वाला relation symmetric है। / The reverse of a diagonal pair ( (a,a) ) is the same pair ( (a,a) ). Hence a relation with only diagonal pairs is symmetric.
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