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On (A={1,2,3,4,5}), (R={(1,2),(2,4),(4,5),(1,4),(2,5)}). Which pair must be added to make it transitive?

Answer and explanation

Correct answer: ((1,5))

Step 1: ((1,4)) and ((4,5)) are in the relation, so ((1,5)) is required. Step 2: ((1,2)) and ((2,5)) also require ((1,5)), but it is missing. Step 3: When the same pair is demanded by two chains, it is important for transitive closure.

Related tags

Transitive ClosureMissing PairExpertClass 12Transitive RelationRelations And FunctionsMathematicsClass 12 Mcq

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