dados A={-1,0,},B={0,2}e C={1,2}.determine:AXB,AXC,BXC,BXA,A2,B2
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AxB = {(-1,0), (-1,2), (0,0), (0,2)}
AxC = {(-1,1), (-1,2), (0,1), (0,1)}
BxC = {(0,1), (0,2), (2,1), (2,2)}
BxA = {(0,-1), (0,0), (2,-1), (2,0)}
A² = AxA = {(-1,-1), (-1,0), (0,-1), (0,0)}
B² = BxB = {(0,0), (0,2), (2,0), (2,2)}
AxC = {(-1,1), (-1,2), (0,1), (0,1)}
BxC = {(0,1), (0,2), (2,1), (2,2)}
BxA = {(0,-1), (0,0), (2,-1), (2,0)}
A² = AxA = {(-1,-1), (-1,0), (0,-1), (0,0)}
B² = BxB = {(0,0), (0,2), (2,0), (2,2)}
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