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Which option gives a relation that is not symmetric but contains some diagonal pairs?

Answer and explanation

Correct answer: ({(1,1),(2,2),(1,3)})

Step 1: Option A has diagonal pairs ((1,1)) and ((2,2)). Step 2: But the reverse of ((1,3)), which is ((3,1)), is missing, so it is not symmetric. Step 3: Having diagonal pairs does not automatically prove symmetry.

Related tags

Not SymmetricDiagonal PairsCommon MistakeSymmetric RelationRelations And FunctionsMathematicsClass 12 Mcq

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