किसी सर्वसमुच्चय (U) के लिए \(A\cup A'\) किसके बराबर है?
For a universal set (U), \(A\cup A'\) is equal to which set?
Explanation opens after your attempt
C. (U)
Concept
Every element is either in (A) or in (A'). Hence their union is (U).
Why this answer is correct
The correct answer is C. (U). Every element is either in (A) or in (A'). Hence their union is (U).
Exam Tip
कोई भी अवयव या तो (A) में होगा या (A') में। इसलिए दोनों का संघ (U) होता है।
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