Найдите \(A \cup B\) и \(A \cap B\) , если \(A = \{11,15,16,19,20\}\) , \(B=\{12,15,16,19\}\) \(A \cup B = \{11,12,15,16,19,20\}\) и \(A\cap B = \{15,16,19\}\) \(A \cap B = \{11,12,15,16,19,20\}\) и \(A\cup B = \{15,16,19\}\) \(A \cup B = \{11,12,15,16,19,20\}\) и \(A \cap B = \oslash\) \(A \cup B = \{11,12,15,19,20\}\) и \(A\cap B = \{15,16,19\}\)

Задание

Найдите \(A \cup B\) и \(A \cap B\) , если \(A = \{11,15,16,19,20\}\) , \(B=\{12,15,16,19\}\)