Respostas

2014-08-06T13:42:02-03:00
A)AxB={(-1,-2);(-1,2);(0,-2);(0,2);(1,-2);(1,2)}
b)BxA={(-2,-1);(-2,0);(-2,1);(2,-1);(2,0);(2,1)}
c)A^2= {(-1,-1);(-1,0);(-1,1);(0,-1);(0,0);(0,1);(1,-1);(1,0);(1,1)}
B^2={(-2,-2);(-2,2);(2,-2);(2,2)}
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