यदि \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\) और \(B=\{2,4,8\}\) हैं, तो (\(A\cup B\)') क्या है?
If \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,4,7\}\), and \(B=\{2,4,8\}\), what is (\(A\cup B\)')?
Explanation opens after your attempt
A. ({3,5,6,9})
Concept
\(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).
Why this answer is correct
The correct answer is A. ({3,5,6,9}). \(A\cup B={1,2,4,7,8}\). Removing these from (U) gives ({3,5,6,9}).
Exam Tip
\(A\cup B={1,2,4,7,8}\) है। (U) से इन्हें हटाने पर ({3,5,6,9}) मिलता है।
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