यदि \(A\subseteq U\) और \(A'= \varnothing\) है, तो सही निष्कर्ष क्या है?
If \(A\subseteq U\) and \(A'= \varnothing\), what is the correct conclusion?
Explanation opens after your attempt
B. (A=U)
Concept
(A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.
Why this answer is correct
The correct answer is B. (A=U). (A') being empty means there is no element of (U) outside (A). Hence (A) and (U) are equal.
Exam Tip
(A') खाली होने का अर्थ है कि (U) में (A) के बाहर कोई तत्व नहीं है। इसलिए (A) और (U) समान हैं।
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