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Exercise 5.2.1: Here are two relations: R(A,B):{(0,1),(2,3),(0,1),(2,4),(3,4)}S(B,C):{(0,1),(2,4),(2,5),(3,4),(0,2),(3,4)} Compute the following: a) A+B,A2,B2(R); b) B+1,C1(S); c) B,A(R)

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