Question

Calcula n(A) + n(B) si:
A = {x/x € N, 4 < x <11}
B = {x/x € Z, 15 < x <16}

Answer 1

Respuesta:

66

Explicación paso a paso:

A = {x/x ∈ N, 4 < x < 11}

A = {5, 6, 7, 8, 9, 10}

n(A) = 6

B = {x/x ∈ Z, 15 < x < 16}

B = {∅}

n(B) = 0

n(A) + n(B) = 6 + 0

                 = 6