यदि \(A^c=U\) है, तो (A) किसके बराबर होगा?
If \(A^c=U\), then (A) is equal to what?
Explanation opens after your attempt
A. \(\varnothing\)empty set
Concept
If the whole (U) is outside (A), then (A) has no element. Therefore \(A=\varnothing\).
Why this answer is correct
The correct answer is A. \(\varnothing\) / empty set. If the whole (U) is outside (A), then (A) has no element. Therefore \(A=\varnothing\).
Exam Tip
यदि पूरा (U) ही (A) के बाहर है, तो (A) में कोई तत्व नहीं है। इसलिए \(A=\varnothing\) होगा।
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