यदि \(A^{c}=U\), तो (A) के बारे में कौन सा कथन सही है?
If \(A^{c}=U\), which statement about (A) is correct?
Explanation opens after your attempt
B. \(A=\varnothing\)
Concept
If the complement of (A) is the whole (U), then (A) has no element. Thus, \(A=\varnothing\) is correct.
Why this answer is correct
The correct answer is B. \(A=\varnothing\). If the complement of (A) is the whole (U), then (A) has no element. Thus, \(A=\varnothing\) is correct.
Exam Tip
यदि (A) का पूरक पूरा (U) है, तो (A) में कोई अवयव नहीं है। इसलिए \(A=\varnothing\) सही है।
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