यदि \(A={x:x\in \mathbb{Z}, x^2=9}\) और \(B=\{-3,3\}\) हैं तो सही कथन कौन सा है?

If \(A={x:x\in \mathbb{Z}, x^2=9}\) and \(B=\{-3,3\}\) then which statement is correct?

Explanation opens after your attempt
Correct Answer

A. (A=B)

Step 1

Concept

The integer solutions of \(x^2=9\) are (-3) and (3). Check the negative solution in square equations too.

Step 2

Why this answer is correct

The correct answer is A. (A=B). The integer solutions of \(x^2=9\) are (-3) and (3). Check the negative solution in square equations too.

Step 3

Exam Tip

\(x^2=9\) के पूर्णांक हल (-3) और (3) हैं। वर्ग वाले समीकरण में ऋणात्मक हल भी जांचें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A={x:x\in \mathbb{Z}, x^2=9}\) और \(B=\{-3,3\}\) हैं तो सही कथन कौन सा है? / If \(A={x:x\in \mathbb{Z}, x^2=9}\) and \(B=\{-3,3\}\) then which statement is correct?

Correct Answer: A. (A=B). Explanation: \(x^2=9\) के पूर्णांक हल (-3) और (3) हैं। वर्ग वाले समीकरण में ऋणात्मक हल भी जांचें। / The integer solutions of \(x^2=9\) are (-3) and (3). Check the negative solution in square equations too.

Which concept should I revise for this Mathematics MCQ?

The integer solutions of \(x^2=9\) are (-3) and (3). Check the negative solution in square equations too.

What exam hint can help solve this Mathematics question?

\(x^2=9\) के पूर्णांक हल (-3) और (3) हैं। वर्ग वाले समीकरण में ऋणात्मक हल भी जांचें।