यदि \(U=\{1,2,3,4\}\) और (A=U) है तो (A') क्या होगा?
If \(U=\{1,2,3,4\}\) and (A=U) then what is (A')?
Explanation opens after your attempt
C. \(\emptyset\)
Concept
When (A=U), no element remains outside (A) in (U). Hence \(A'=\emptyset\).
Why this answer is correct
The correct answer is C. \(\emptyset\). When (A=U), no element remains outside (A) in (U). Hence \(A'=\emptyset\).
Exam Tip
जब (A=U) हो तो (U) में (A) के बाहर कोई तत्व नहीं बचता। इसलिए \(A'=\emptyset\) है।
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