यदि \(U={1,2,\ldots,9}\), \(A=\{1,2,3,4\}\) और \(B=\{3,4,5,6\}\), तो (\(A\cap B\)') क्या है?
If \(U={1,2,\ldots,9}\), \(A=\{1,2,3,4\}\), and \(B=\{3,4,5,6\}\), what is (\(A\cap B\)')?
Correct answer and explanation
A. ({1,2,5,6,7,8,9})
Simple Explanation
\(A\cap B={3,4}\), इसलिए इसका पूरक (U) में बाकी सभी तत्व हैं। प्रतिच्छेद का पूरक लेते समय पहले साझा तत्व निकालें। / \(A\cap B={3,4}\), so its complement is all other elements in (U). For complement of an intersection, first find the common elements.
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