A união dos conjuntos A= {1,4,8,9} e B= {2,4,6,7,8,9}, é:
a) (1,2,6,7,8,9) b) (1,4,6,7,8,9) c) (1,2,4,6,7,8,9) d) (4,8,9)
a) (1,2,6,7,8,9) b) (1,4,6,7,8,9) c) (1,2,4,6,7,8,9) d) (4,8,9)
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a) (1,2,6,7,8,9)
b) (1,4,6,7,8,9)
c) (1,2,4,6,7,8,9)
d) (4,8,9)
A= {1,4,8,9} e B= {2,4,6,7,8,9}
AUB= {1,2,4,6,7,8,9}
Todos os elementos de A e todos os elementos de B (sem repetir)
alternativa "c"