यदि \(A\cup B=U\) और \(A\cap B=\varnothing\), तो (B) किसके बराबर है?
If \(A\cup B=U\) and \(A\cap B=\varnothing\), then (B) is equal to which set?
Explanation opens after your attempt
Correct Answer
A. (A')
Concept
(B) contains exactly the elements not in (A), and together they form (U). Thus (B=A').
Why this answer is correct
The correct answer is A. (A'). (B) contains exactly the elements not in (A), and together they form (U). Thus (B=A').
Exam Tip
(B) में ठीक वे तत्व हैं जो (A) में नहीं हैं और दोनों मिलकर (U) बनाते हैं। अतः (B=A')।
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