यदि \(A=\{1,2,3\}\) पर \(R=\{(1,1),(2,2),(3,3),(1,2),(1,3)\}\), तो (R) प्रतिसममित है या नहीं?
If \(R=\{(1,1),(2,2),(3,3),(1,2),(1,3)\}\) on \(A=\{1,2,3\}\), is (R) antisymmetric?
Explanation opens after your attempt
A. हाँYes
Concept
प्रतिसममितता तब टूटती है जब अलग तत्वों के दोनों दिशाओं वाले युग्म हों। / Antisymmetry fails when both directions exist for distinct elements.
Why this answer is correct
यहां ((1,2)) है पर ((2,1)) नहीं, और ((1,3)) है पर ((3,1)) नहीं। / Here ((1,2)) is present but ((2,1)) is not, and ((1,3)) is present but ((3,1)) is not.
Exam Tip
इसलिए प्रतिसममितता नहीं टूटती। / So antisymmetry is not violated.
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