यदि \(A\cup B=U\), तो (\(A'\cap B'\)) क्या होगा?
If \(A\cup B=U\), what is \(A'\cap B'\)?
Explanation opens after your attempt
C. \(\varnothing\)
Concept
By De Morgan, (A'\cap B'=\(A\cup B\)'). Since \(A\cup B=U\), (\(A\cup B\)'=\varnothing).
Why this answer is correct
The correct answer is C. \(\varnothing\). By De Morgan, (A'\cap B'=\(A\cup B\)'). Since \(A\cup B=U\), (\(A\cup B\)'=\varnothing).
Exam Tip
डी मॉर्गन से (A'\cap B'=\(A\cup B\)')। चूंकि \(A\cup B=U\), इसलिए (\(A\cup B\)'=\varnothing)।
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