Question

dados A=(1,0) e B =(1,3,5) determine a)N(A) b)N(B) c)N(A)nN(B) d)N(A) u N(B)​

Answer 1

Resposta:

(A∩B)= {1}

(A∪B) ={0,1,3,5}

a) n(A)= 2

b) n(B)= 3

c) n(A) ∩ n(B)= 1

d) n(A) ∪ n(B)= 4