यदि \(A=\{1,2\}\), \(B=\{2,3\}\) और \(C=\{3,4\}\) हैं, तो \(A\cup B\cup C\) क्या है?
If \(A=\{1,2\}\), \(B=\{2,3\}\), and \(C=\{3,4\}\), what is \(A\cup B\cup C\)?
Explanation opens after your attempt
A. ( {1,2,3,4} )
Concept
Union takes all distinct elements. Repetition is not needed in a set.
Why this answer is correct
The correct answer is A. ( {1,2,3,4} ). Union takes all distinct elements. Repetition is not needed in a set.
Exam Tip
संघ में सभी अलग-अलग अवयव लिए जाते हैं। दोहराव लिखना समुच्चय में आवश्यक नहीं होता।
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