यदि \(A=\{1,2,3\}\) और \(B=\{3,4,5\}\) है, तो \(A\cup B\) क्या होगा?
If \(A=\{1,2,3\}\) and \(B=\{3,4,5\}\), what is \(A\cup B\)?
Explanation opens after your attempt
A. ( {1,2,3,4,5} )
Concept
\(A\cup B\) contains all distinct elements of both sets. In exams, write repeated elements only once.
Why this answer is correct
The correct answer is A. ( {1,2,3,4,5} ). \(A\cup B\) contains all distinct elements of both sets. In exams, write repeated elements only once.
Exam Tip
\(A\cup B\) में दोनों समुच्चयों के सभी अलग-अलग अवयव आते हैं। परीक्षा में दोहराए गए अवयव एक बार ही लिखें।
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