Question

A={1,3,4,6,7,9,10}
B={2,4,5,6,7,8,10,11}
C={x/x ∈ N : 4 ≤ x < 9} 4 5 6 7 8
Determina el número de elementos de: (A ∆ B) ∆ (A ∆ C).
ayuda ​

Answer 1

Respuesta:

(A ∆ B) ∆ (A ∆ C)

(1, 2, 3, 5, 8, 9, 11) ∆ (1, 3, 5, 8, 9, 10)

= 2, 10, 11