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On (A={1,2,3}), (R={(1,2),(2,1),(2,3)}). Which pair must be added to make it symmetric?समुच्चय (A={1,2,3}) पर (R={(1,2),(2,1),(2,3)}) है। इसे सममित बनाने के लिए कौन-सा युग्म जोड़ना होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((3,2))((3,2))
Step 1: A pair without its reverse needs its reverse pair. Step 2: ((2,3)) is present but ((3,2)) is missing. Step 3: To make a relation symmetric, add the missing reverse pairs.चरण 1: जो युग्म अकेला है, उसका उलटा चाहिए। चरण 2: ((2,3)) मौजूद है लेकिन ((3,2)) नहीं है। चरण 3: सममित बनाने के लिए छूटे हुए उलटे युग्म जोड़ें।
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