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On real numbers, (R={(a,b):a^2=b^2}). Why is this relation symmetric?

Answer and explanation

Correct answer: Because (a^2=b^2) implies (b^2=a^2)

Step 1: In symmetry, an equality remains true when the two sides are reversed. Step 2: If (a^2=b^2), then (b^2=a^2) is also true, so the reversed pair belongs to the relation. Step 3: For equality-based relations, write the reversed equality carefully.

Related tags

Symmetric RelationEqualityReal NumbersRelations And FunctionsMathematicsClass 12 Mcq

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