यदि \(U=\{p,q,r,s,t,u,v,w\}\), (A'={q,s,w}) और (B'={p,s,u}), तो (\(A\cup B\)') क्या है?
If \(U=\{p,q,r,s,t,u,v,w\}\), (A'={q,s,w}) and (B'={p,s,u}), what is (\(A\cup B\)')?
Explanation opens after your attempt
Correct Answer
A. ({s})
Concept
(\(A\cup B\)'=A'\cap B'), and \({q,s,w}\cap{p,s,u}={s}\). Apply De Morgan directly to the given complements.
Why this answer is correct
The correct answer is A. ({s}). (\(A\cup B\)'=A'\cap B'), and \({q,s,w}\cap{p,s,u}={s}\). Apply De Morgan directly to the given complements.
Exam Tip
(\(A\cup B\)'=A'\cap B') और \({q,s,w}\cap{p,s,u}={s}\)। दिए गए पूरकों पर सीधे डी मॉर्गन लगाएं।
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