Question

Si:
n (A  B) = 30 n (B – A ) = 8
n (A - B) = 10 Hallar: n(A) + n (B)

Answer 1

Respuesta:

n(A) = 12+8 = 20 elementos

n(B) = 10+8 = 18 elementos

Explicación paso a paso:

Dados dos conjuntos A y B

n (AUB) = n(A+B ) = 30

n(A-B) = 12

n(B-A) = 10

n(A) = ?

n(B)= ?