यदि \(U=\{1,2,3,4,5\}\) और \(A=\{2,5\}\), तो (A') क्या है?
If \(U=\{1,2,3,4,5\}\) and \(A=\{2,5\}\), what is (A')?
Explanation opens after your attempt
B. ({1,3,4})
Concept
(A') contains the elements of (U) that are not in (A), namely ({1,3,4}). Always check (U) while finding complement.
Why this answer is correct
The correct answer is B. ({1,3,4}). (A') contains the elements of (U) that are not in (A), namely ({1,3,4}). Always check (U) while finding complement.
Exam Tip
(A') में (U) के वे अवयव होंगे जो (A) में नहीं हैं, यानी ({1,3,4})। पूरक निकालते समय (U) जरूर देखें।
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