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If (A={1,2,3}) and (R={(1,2),(2,1),(1,1)}), which statement is correct?यदि (A={1,2,3}) और (R={(1,2),(2,1),(1,1)}) है, तो सही कथन क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (R) is symmetric(R) सममित है
Step 1: The reverse of ((1,2)), ((2,1)), is present. Step 2: ((1,1)) is its own reverse. Step 3: Symmetry does not require all diagonal pairs to be present.चरण 1: ((1,2)) का उलटा ((2,1)) मौजूद है। चरण 2: ((1,1)) अपना ही उलटा है। चरण 3: सममितता के लिए सभी विकर्ण युग्म होना जरूरी नहीं है।
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