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On real numbers, (R={(a,b):a-b=3}) is given. What is the correct reason it is not symmetric?

Answer and explanation

Correct answer: Because (a-b=3) does not imply (b-a=3)

Step 1: ((a,b)) is in the relation when (a-b=3). Step 2: The reverse pair ((b,a)) would require (b-a=3), which is not generally true. Step 3: For example, ((4,1)) is in the relation, but ((1,4)) is not.

Related tags

Real NumbersDifference RelationNot SymmetricClass 12Symmetric RelationRelations And FunctionsMathematicsClass 12 Mcq

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