यदि \(A\cup B=U\) और \(A\cap B=\varnothing\), तो (B) किसके बराबर होगा?
If \(A\cup B=U\) and \(A\cap B=\varnothing\), what is (B) equal to?
Explanation opens after your attempt
A. (A')
Concept
If two sets together form (U) and are disjoint, they are complements of each other. Hence (B=A').
Why this answer is correct
The correct answer is A. (A'). If two sets together form (U) and are disjoint, they are complements of each other. Hence (B=A').
Exam Tip
यदि दो समुच्चय मिलकर (U) बनाते हैं और अलग-अलग हैं, तो वे एक-दूसरे के पूरक होते हैं। इसलिए (B=A') है।
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