यदि \(U={1,2,\ldots,15}\), \(A=\{1,2,3,4,5\}\), \(B=\{4,5,6,7,8\}\) और \(C=\{7,8,9,10\}\), तो (\(A\cup B\cup C\)') क्या है?
If \(U={1,2,\ldots,15}\), \(A=\{1,2,3,4,5\}\), \(B=\{4,5,6,7,8\}\), and \(C=\{7,8,9,10\}\), what is (\(A\cup B\cup C\)')?
Explanation opens after your attempt
A. ({11,12,13,14,15})
Concept
The union of the three sets is \({1,2,\ldots,10}\). Removing it from (U) leaves ({11,12,13,14,15}).
Why this answer is correct
The correct answer is A. ({11,12,13,14,15}). The union of the three sets is \({1,2,\ldots,10}\). Removing it from (U) leaves ({11,12,13,14,15}).
Exam Tip
तीनों का संघ \({1,2,\ldots,10}\) है। (U) से हटाने पर ({11,12,13,14,15}) बचता है।
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