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On (A={1,2,3}), (R={(1,2),(2,3),(1,1),(2,2),(3,3)}). Why is (R) not transitive?

Answer and explanation

Correct answer: ((1,3)) is missing

Step 1: To test transitivity, look for ((a,b)) and ((b,c)), then check ((a,c)). Step 2: Since ((1,2)) and ((2,3)) are in (R), ((1,3)) must also be in (R). It is missing, so (R) is not transitive. Step 3: A single missing required pair is enough to disprove transitivity.

Related tags

Relations FunctionsTransitive RelationMissing PairRelations And FunctionsMathematicsClass 12 Mcq

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