Respuesta:
4
Explicación paso a paso:
A = { a, a, b, c, d, b }
B = { b, c, d }
A U B = { a, b, c, d }
n ( A U B } = 4
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Respuesta:
4
Explicación paso a paso:
A = { a, a, b, c, d, b }
B = { b, c, d }
A U B = { a, b, c, d }
n ( A U B } = 4