Question

Fie multimile: A=[x ∈ N*/ 3 /x,x ≤ 20] si B=[y ∈ N/ y /24] .Determinati: A∪B,A∩B,B/A

Answer 1

Răspuns:

Explicație pas cu pas:

A = {3, 6, 9, 12, 15, 18}

B = {1, 2, 3, 4, 6, 8, 12, 24}

A U B = {1, 2, 3, 4, 6, 8, 9, 12, 15, 18, 24}

A ∩ B = {3, 6, 12}

B \ A = {1, 2, 4, 8, 24}