यदि (R) एक सममित संबंध है और \((2,5)\in R\), तो कौन सा युग्म अवश्य (R) में होगा?
If (R) is a symmetric relation and \((2,5)\in R\), which pair must be in (R)?
Explanation opens after your attempt
Correct Answer
A. ((5,2))
Concept
In a symmetric relation, the reverse of every pair is also present. Therefore ((5,2)) is compulsory.
Why this answer is correct
The correct answer is A. ((5,2)). In a symmetric relation, the reverse of every pair is also present. Therefore ((5,2)) is compulsory.
Exam Tip
सममित संबंध में हर युग्म का उल्टा युग्म भी होता है। इसलिए ((5,2)) अनिवार्य है।
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