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Which of the following statements regarding sets is false?(a) A X B = B X A(b) A X B ≠ B X A(c) n(A X B) = n(A) * n(B)(d) All of the mentionedI had been asked this question during an online interview.My doubt stems from Cartesian Product of Sets topic in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

Answer» RIGHT option is (a) A X B = B X A

Explanation: The Cartesian product of sets is not COMMUTATIVE.


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