यदि \(U=\{1,2,3,4,5,6,7,8\}\), (A'={1,4,7}) और (B'={2,4,8}), तो \(A\cap B\) क्या है?
If \(U=\{1,2,3,4,5,6,7,8\}\), (A'={1,4,7}) and (B'={2,4,8}), what is \(A\cap B\)?
Explanation opens after your attempt
A. ({3,5,6})
Concept
(A\cap B=\(A'\cup B'\)'). Since \(A'\cup B'={1,2,4,7,8}\), the complement is ({3,5,6}).
Why this answer is correct
The correct answer is A. ({3,5,6}). (A\cap B=\(A'\cup B'\)'). Since \(A'\cup B'={1,2,4,7,8}\), the complement is ({3,5,6}).
Exam Tip
(A\cap B=\(A'\cup B'\)') है। \(A'\cup B'={1,2,4,7,8}\), इसलिए पूरक ({3,5,6}) है।
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