यदि \(A\subseteq U\) है तो \(A\cup A'\) किसके बराबर होता है?
If \(A\subseteq U\), then \(A\cup A'\) is equal to what?
Explanation opens after your attempt
Correct Answer
C. (U)
Concept
The union of a set and its complement gives the whole universal set. Thus \(A\cup A'=U\).
Why this answer is correct
The correct answer is C. (U). The union of a set and its complement gives the whole universal set. Thus \(A\cup A'=U\).
Exam Tip
किसी समुच्चय और उसके पूरक का संघ पूरा सार्वत्रिक समुच्चय देता है। इसलिए \(A\cup A'=U\) है।
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