Which of the following two sets are equal?(a) A = {1, 2} and B = {1}(b) A = {1, 2} and B = {1, 2, 3}(c) A = {1, 2, 3} and B = {2, 1, 3}(d) A = {1, 2, 4} and B = {1, 2, 3}I had been asked this question by my college director while I was bunking the class.My query is from Sets topic in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

Which of the following two sets are equal?(a) A = {1, 2} and B = {1}(b

1.	Which of the following two sets are equal?(a) A = {1, 2} and B = {1}(b) A = {1, 2} and B = {1, 2, 3}(c) A = {1, 2, 3} and B = {2, 1, 3}(d) A = {1, 2, 4} and B = {1, 2, 3}I had been asked this question by my college director while I was bunking the class.My query is from Sets topic in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» The correct answer is (c) A = {1, 2, 3} and B = {2, 1, 3} The explanation is: TWO SET are EQUAL if and only if they have the same ELEMENTS.

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