यदि \(A={x:x^2=9}\) और \(B={x:x^2-4=0}\), तो \(A\cup B\) क्या है?

If \(A={x:x^2=9}\) and \(B={x:x^2-4=0}\), what is \(A\cup B\)?

Explanation opens after your attempt
Correct Answer

A. ( {-3,3,-2,2} )

Step 1

Concept

\(A=\{-3,3\}\) and \(B=\{-2,2\}\). The union contains all elements from both sets.

Step 2

Why this answer is correct

The correct answer is A. ( {-3,3,-2,2} ). \(A=\{-3,3\}\) and \(B=\{-2,2\}\). The union contains all elements from both sets.

Step 3

Exam Tip

\(A=\{-3,3\}\) और \(B=\{-2,2\}\) है। संघ में दोनों के सभी अवयव आते हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x^2=9}\) और \(B={x:x^2-4=0}\), तो \(A\cup B\) क्या है? / If \(A={x:x^2=9}\) and \(B={x:x^2-4=0}\), what is \(A\cup B\)?

Correct Answer: A. ( {-3,3,-2,2} ). Explanation: \(A=\{-3,3\}\) और \(B=\{-2,2\}\) है। संघ में दोनों के सभी अवयव आते हैं। / \(A=\{-3,3\}\) and \(B=\{-2,2\}\). The union contains all elements from both sets.

Which concept should I revise for this Mathematics MCQ?

\(A=\{-3,3\}\) and \(B=\{-2,2\}\). The union contains all elements from both sets.

What exam hint can help solve this Mathematics question?

\(A=\{-3,3\}\) और \(B=\{-2,2\}\) है। संघ में दोनों के सभी अवयव आते हैं।