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If S is defined on R by (x, y) ∈ S ⇔ xy ≥ 0. Then S is...... (a) an equivalence relation (b) reflexive only

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If S is defined on R by (x, y) ∈ S ⇔ xy ≥ 0. Then S is...... 

(a) an equivalence relation 

(b) reflexive only 

(c) symmetric only 

(d) transitive only

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1 Answer

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Best answer

The correct option (a) an equivalence relation

Explanation:

S is Relflexive and symmetric

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