Найдите \(A\cup B\) и \(A\cap B\) , если \(A = \{a,b,c,d,k\}\) , \(B = \{b,c,d\}\) \(A \cap B = \{a, b, c, d\}\) и \(A \cup B = \{b, c, d\}\) \(A \cap B = \{b, c, d\}\) и \(A \cup B = \{a, b, c, d\}\) \(A \cap B = \{b, c, d, k\}\) и \(A \cup B = \{a, b, c, d, k\}\) \(A \cup B = \{a, b, c, d, k\}\) и \(A \cap B = \{b, c, d\}\)

Задание

Найдите \(A\cup B\) и \(A\cap B\) , если \(A = \{a,b,c,d,k\}\) , \(B = \{b,c,d\}\)