यदि \(A=\{1,2,3\}\) पर \(R=\{(a,b):a\neq b\}\), तो (R) परावर्ती है या नहीं?
If \(R=\{(a,b):a\neq b\}\) on \(A=\{1,2,3\}\), is (R) reflexive?
Explanation opens after your attempt
B. नहीं, क्योंकि \((1,1),(2,2),(3,3)\notin R\)No, because \((1,1),(2,2),(3,3)\notin R\)
Concept
All pairs ( (a,a) ) are necessary for a reflexive relation. Such pairs do not occur in \(a\neq b\).
Why this answer is correct
The correct answer is B. नहीं, क्योंकि \((1,1),(2,2),(3,3)\notin R\) / No, because \((1,1),(2,2),(3,3)\notin R\). All pairs ( (a,a) ) are necessary for a reflexive relation. Such pairs do not occur in \(a\neq b\).
Exam Tip
परावर्ती संबंध के लिए सभी ( (a,a) ) युग्म जरूरी हैं। \(a\neq b\) में ऐसे युग्म नहीं आते।
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