a={0,1,2,3,4,5,6,8,10} b={2,4,8,7,11,12,15} Determinati AUB,ANB,A b , b a
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Răspuns:
AUB={0,1,2,3,4,5,6,7,8,10,11,12,15}
ANB={2,4,8}
A\B={0,1,3,5,6,10}
B\A={7,11,12,15}
Explicație pas cu pas:
AUB-sunt toate numerele la un loc
ANB- numerele comune
A\B- ce este in A si nu in B
B\A - ce este in B si nu in A
Răspuns:
A ∪ B = {0,1,2,3,4,5,6,7,8,10,11,12,15}
A ∩ B = {2,4,8}
A - B = {0,1,3,5,6,10}
B - A = {7,11,12,15}