(\(A\cup B'\)') किसके बराबर है?
What is (\(A\cup B'\)') equal to?
Explanation opens after your attempt
A. \(A'\cap B\)
Concept
By De Morgan's law, (\(A\cup B'\)'=A'\cap(B')'=A'\cap B). When taking complement, \(\cup\) changes to \(\cap\).
Why this answer is correct
The correct answer is A. \(A'\cap B\). By De Morgan's law, (\(A\cup B'\)'=A'\cap(B')'=A'\cap B). When taking complement, \(\cup\) changes to \(\cap\).
Exam Tip
डी मॉर्गन नियम से (\(A\cup B'\)'=A'\cap(B')'=A'\cap B)। पूरक लेते समय \(\cup\) बदलकर \(\cap\) होता है।
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