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If (R) is a symmetric relation and ((5,8) \in R), which pair must definitely belong to (R)?

Answer and explanation

Correct answer: ( (8,5) )

Step 1: In a symmetric relation, every ((a,b)) must be accompanied by ((b,a)). Step 2: The reverse of ((5,8)) is ((8,5)), so it must be present. Step 3: Symmetry alone does not force pairs like ((a,a)) to exist.

Related tags

Definition Of Symmetric RelationOrdered PairClass 12Symmetric RelationRelations And FunctionsMathematicsClass 12 Mcq

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