यदि \(A=\{1,2,3\}\) पर \(R=\{(1,1),(2,2),(3,3),(1,2)\}\) है, तो (R) में कौन-सा अतिरिक्त युग्म तत्समक संबंध से अलग है?
If \(R=\{(1,1),(2,2),(3,3),(1,2)\}\) on \(A=\{1,2,3\}\), which extra pair is different from the identity relation?
Explanation opens after your attempt
Correct Answer
D. ((1,2))
Concept
An identity relation contains only pairs like ((a,a)). In ((1,2)), the two components are not equal.
Why this answer is correct
The correct answer is D. ((1,2)). An identity relation contains only pairs like ((a,a)). In ((1,2)), the two components are not equal.
Exam Tip
तत्समक संबंध में केवल ((a,a)) जैसे युग्म होते हैं। ((1,2)) में दोनों अवयव समान नहीं हैं।
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