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MCQ
A relation R on a set A is reflexive if for every a ∈ A:
Unit-3 Sets and Relations
A (a, a) ∈ R
B (a, b) ∈ R
C (a, b) ∈ R implies (b, a) ∈ R
D R = A × A
Explanation

Reflexive means every element of A is related to itself.

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