यदि \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3,4\}\) और \(B=\{3,4,5,6\}\), तो \(A'\cup B'\) क्या है?
If \(U=\{1,2,3,4,5,6,7,8\}\), \(A=\{1,2,3,4\}\) and \(B=\{3,4,5,6\}\), what is \(A'\cup B'\)?
Explanation opens after your attempt
Correct Answer
A. ({1,2,5,6,7,8})
Concept
(A'={5,6,7,8}) and (B'={1,2,7,8}). Their union is ({1,2,5,6,7,8}).
Why this answer is correct
The correct answer is A. ({1,2,5,6,7,8}). (A'={5,6,7,8}) and (B'={1,2,7,8}). Their union is ({1,2,5,6,7,8}).
Exam Tip
(A'={5,6,7,8}) और (B'={1,2,7,8}) है। उनका संघ ({1,2,5,6,7,8}) है।
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