यदि \(A'=\varnothing\), तो (A) क्या होगा?
If \(A'=\varnothing\), what is (A)?
Explanation opens after your attempt
A. (U)
Concept
If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).
Why this answer is correct
The correct answer is A. (U). If the complement is empty, no element of (U) lies outside (A). Therefore (A=U).
Exam Tip
यदि पूरक रिक्त है, तो (U) का कोई भी अवयव (A) के बाहर नहीं है। इसलिए (A=U) है।
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