Consider the binary operations on X, a*b = a+b+4, for a, b ∈ X. It satisfies the properties of

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📊 Discrete Mathematics

Q. Consider the binary operations on X, a*b = a+b+4, for a, b ∈ X. It satisfies the properties of

(A) abelian group
(B) semigroup
(C) multiplicative group
(D) isomorphic group

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✅ Correct Answer: (A) abelian group

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