यदि \(A=\{2,5,8,11\}\) और \(B=\{1,5,7,11,13\}\) हैं, तो \(A\cup B\) क्या है?
If \(A=\{2,5,8,11\}\) and \(B=\{1,5,7,11,13\}\), what is \(A\cup B\)?
Explanation opens after your attempt
A. ( {1,2,5,7,8,11,13} )
Concept
\(A\cup B\) contains all distinct elements of both sets. Write repeated elements only once.
Why this answer is correct
The correct answer is A. ( {1,2,5,7,8,11,13} ). \(A\cup B\) contains all distinct elements of both sets. Write repeated elements only once.
Exam Tip
\(A\cup B\) में दोनों समुच्चयों के सभी अलग-अलग अवयव आते हैं। दोहराए गए अवयव केवल एक बार लिखें।
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