Let `A = {1, 2, 3}`. Then number of equivalence relations containing ( – InterviewSolution

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1.	Let `A = {1, 2, 3}`. Then number of equivalence relations containing (1, 2) is (A) 1 (B) 2 (C) 3 (D) 4A. 1B. 2C. 3D. 4
Answer» A= {1,2,3} equivalence relation which includes (1,2) ` R_1 ={(1,1),(2,2),(3,3),(2,1),(1,2)}` and `R_2 ={(1,1),(2,2),(3,3),(2,1),(1,2)(3,1),(1,2)}`

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