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If (R={(1,2),(2,1),(1,3)}), which pair is needed to make (R) symmetric?यदि (R={(1,2),(2,1),(1,3)}), तो (R) को सममित बनाने के लिए कौन-सा युग्म चाहिए?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((3,1))((3,1))
Step 1: First find the pair that has no reverse. Step 2: ((1,3)) is present but its reverse ((3,1)) is missing. Step 3: Adding the missing reverse pair is the direct way to make a relation symmetric.चरण 1: पहले देखें कौन-सा युग्म बिना उलटे के है। चरण 2: ((1,3)) मौजूद है लेकिन उसका उलटा ((3,1)) नहीं है। चरण 3: सममितता में छूटे उलटे युग्म को जोड़ना सबसे सीधा तरीका है।
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