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
Correct Answer

A. ( {1,2,5,7,8,11,13} )

Step 1

Concept

\(A\cup B\) contains all distinct elements of both sets. Write repeated elements only once.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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 \(A\cup B\)?

Correct Answer: A. ( {1,2,5,7,8,11,13} ). Explanation: \(A\cup B\) में दोनों समुच्चयों के सभी अलग-अलग अवयव आते हैं। दोहराए गए अवयव केवल एक बार लिखें। / \(A\cup B\) contains all distinct elements of both sets. Write repeated elements only once.

Which concept should I revise for this Mathematics MCQ?

\(A\cup B\) contains all distinct elements of both sets. Write repeated elements only once.

What exam hint can help solve this Mathematics question?

\(A\cup B\) में दोनों समुच्चयों के सभी अलग-अलग अवयव आते हैं। दोहराए गए अवयव केवल एक बार लिखें।