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IPMAT Indore 2022 - QA (MCQ) Q28 Explanation
December 28, 2024
Explanation:
(B)
It is given that the cartesian product of A × B consists of 4 elements, the set A and B can have 2 elements each. Looking into the given 2 elements, (1, 4) & (4, 1), we can determine the two sets.
𝐴 = {1,4} & 𝐵={4,1}
𝐴×𝐵 = {(1,4),(1,1),(4,4),(4,1)}
𝐵×𝐴 = {(4,1), (4,4),(1,1),(1,4)}
∴ 𝐴×𝐵=𝐵×𝐴
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