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Which of the following represents a universal relation for the set A = {1, 2}?

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Single Answer MCQ

Q-00077723

R = {(1, 1), (2, 2)}

R = {(1, 2), (2, 1)}

R = {(1, 1), (1, 2), (2, 1), (2, 2)}

R = {}

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