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If (A={1,2,3}) and (R={(1,1),(2,2),(3,3),(1,2),(2,1),(1,3)}), (R) is not symmetric because which pair is missing?

Answer and explanation

Correct answer: ( (3,1) )

Step 1: The pair ((1,3)) is present in the relation. Step 2: Symmetry requires its reverse ((3,1)), but it is missing. Step 3: While reading the given pairs, first identify any pair whose reverse is absent.

Related tags

Missing Reverse PairSymmetric RelationClass 12HardRelations And FunctionsMathematicsClass 12 Mcq

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