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On (A={1,2,3,4}), (R={(1,2),(2,3),(3,1),(1,3),(2,1)}). Which pair must be present for transitivity but is missing?

Answer and explanation

Correct answer: ((3,2))

Step 1: ((3,1)) and ((1,2)) are in the relation. Step 2: Transitivity requires ((3,2)), but it is missing. Step 3: In cyclic-looking pairs, carefully check the direct pair formed by every two consecutive steps.

Related tags

Cyclic RelationMissing PairTransitivityClass 12Transitive RelationRelations And FunctionsMathematicsClass 12 Mcq

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