यदि \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,2,3,4\}\) और \(B=\{4,5,6\}\), तो \(A'\cap B\) क्या है?
If \(U=\{1,2,3,4,5,6,7,8,9\}\), \(A=\{1,2,3,4\}\) and \(B=\{4,5,6\}\), what is \(A'\cap B\)?
Explanation opens after your attempt
Correct Answer
A. ({5,6})
Concept
(A'={5,6,7,8,9}). Intersecting it with (B) gives ({5,6}).
Why this answer is correct
The correct answer is A. ({5,6}). (A'={5,6,7,8,9}). Intersecting it with (B) gives ({5,6}).
Exam Tip
(A'={5,6,7,8,9}) है। इसे (B) से मिलाने पर ({5,6}) मिलता है।
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