calcula
n(U)=28 n(A)= 16
n(B)= 20 n(B-A)=10
Calcula: n(AUB)
a) 9 b) 1 c) 2 d) 6
n(U)=28 n(A)= 16
n(B)= 20 n(B-A)=10
Calcula: n(AUB)
a) 9 b) 1 c) 2 d) 6
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Respuesta:
Pediste n(A U B) y sale 26 ; si hubieras dicho n (A - B) = 6
Explicación paso a paso: