यदि (R) प्रत्यासममित है और \((3,7)\in R\), तो कौन सा युग्म (R) में नहीं हो सकता?
If (R) is antisymmetric and \((3,7)\in R\), which pair cannot be in (R)?
Explanation opens after your attempt
A. ((7,3))
Concept
For distinct elements (3) and (7), the reverse pair cannot occur together. This is the key test of antisymmetry.
Why this answer is correct
The correct answer is A. ((7,3)). For distinct elements (3) and (7), the reverse pair cannot occur together. This is the key test of antisymmetry.
Exam Tip
अलग तत्वों (3) और (7) के लिए उल्टा युग्म साथ में नहीं हो सकता। यही प्रत्यासममितता की मुख्य जांच है।
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