समुच्चय \(A=\{1,2\}\) पर \(R=\{(1,2),(2,1)\}\) कौन सा गुण रखता है?
On \(A=\{1,2\}\), which property does \(R=\{(1,2),(2,1)\}\) have?
Explanation opens after your attempt
A. सममितताsymmetry
Concept
((1,2)) is present along with ((2,1)).
Why this answer is correct
The two pairs are reverses of each other.
Exam Tip
Therefore the relation is symmetric. चरण 1: ((1,2)) के साथ ((2,1)) मौजूद है। चरण 2: दोनों युग्म एक-दूसरे के उल्टे हैं। चरण 3: इसलिए संबंध सममित है।
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