Which of the following relations contain cach of the following pairs (1, 1), (1, 2), (3, 2), and (3,-3)? > RI - ((a,b) | a sb) > R2 - (a,b) | a>b} > R3 - {(a,b) |a-b or a--b) > R4 = ((a,b) | a +bs 5) Answer: (1,1) (1,2) (3,2) | (3,-3) Ry R4 RRRR

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