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If (R={(1,3),(3,1),(2,4)}), which pair is sufficient to make (R) symmetric?यदि (R={(1,3),(3,1),(2,4)}) है, तो (R) को सममित बनाने के लिए कौन-सा युग्म जोड़ना पर्याप्त है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((4,2))((4,2))
Step 1: ((1,3)) and ((3,1)) are already reverses of each other. Step 2: The reverse of ((2,4)), which is ((4,2)), is missing. Step 3: To make a relation symmetric, add only the missing reverse pair.चरण 1: ((1,3)) और ((3,1)) पहले से एक-दूसरे के उलटे हैं। चरण 2: ((2,4)) का उलटा ((4,2)) अनुपस्थित है। चरण 3: सममित बनाने के लिए केवल गायब उलटे युग्म को जोड़ें।
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