यदि \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,2,3,4,5\}\) और \(B=\{4,5,6,7\}\) है, तो (\(A\cup B\)') क्या होगा?
If \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,2,3,4,5\}\), and \(B=\{4,5,6,7\}\), what will (\(A\cup B\)') be?
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A. ({8,9})
Simple Explanation
\(A\cup B={1,2,3,4,5,6,7}\), इसलिए पूरक ({8,9}) है। पहले सभी शामिल अवयवों का संघ बनाएं। / \(A\cup B={1,2,3,4,5,6,7}\), so the complement is ({8,9}). First form the union of all included elements.
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