Question

Se dau multimile A={-2,1} B={-1,0,3} Sa se determine AxB,BxA,AxA,BxB

Answer 1

AxB={(-2,-1),(-2,0),(-2,3),(1,-1),(1,0),(1,3)}
BxA={(-1,-2),(-1,1),(0,-2),(0,1),(3,-2),(3,1)}
AxA={(-2,-2),(-2,1),(1,-2),(1,1)}
BxB={(-1,-1),(-1,0),(-1,3),(0,-1),(0,0),(0,3),(3,-1),(3,0),(3,3)}