Let a set be A thenA ∩ φ and A U φ are __________(a) φ, φ(b) φ, A(c) A, φ(d) None of the mentionedThis question was addressed to me in an international level competition.I would like to ask this question from Algebraic Laws on Sets topic in division Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

Let a set be A thenA ∩ φ and A U φ are __________(a) φ, φ(b) φ,

1.	Let a set be A thenA ∩ φ and A U φ are __________(a) φ, φ(b) φ, A(c) A, φ(d) None of the mentionedThis question was addressed to me in an international level competition.I would like to ask this question from Algebraic Laws on Sets topic in division Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» The CORRECT ANSWER is (B) φ, A Easy explanation: By Domination Laws on SETS.

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