समीकरण \(x^2=9\) के मूल कौन-से हैं?

What are the roots of \(x^2=9\)?

Explanation opens after your attempt
Correct Answer

C. (-3,3)

Step 1

Concept

From \(x^2=9\), we get \(x=\pm3\). While taking square roots, take both positive and negative values.

Step 2

Why this answer is correct

The correct answer is C. (-3,3). From \(x^2=9\), we get \(x=\pm3\). While taking square roots, take both positive and negative values.

Step 3

Exam Tip

\(x^2=9\) से \(x=\pm3\) मिलता है। वर्गमूल लेते समय धन और ऋण दोनों मान लें।

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समीकरण \(x^2=9\) के मूल कौन-से हैं? / What are the roots of \(x^2=9\)?

Correct Answer: C. (-3,3). Explanation: \(x^2=9\) से \(x=\pm3\) मिलता है। वर्गमूल लेते समय धन और ऋण दोनों मान लें। / From \(x^2=9\), we get \(x=\pm3\). While taking square roots, take both positive and negative values.

Which concept should I revise for this Mathematics MCQ?

From \(x^2=9\), we get \(x=\pm3\). While taking square roots, take both positive and negative values.

What exam hint can help solve this Mathematics question?

\(x^2=9\) से \(x=\pm3\) मिलता है। वर्गमूल लेते समय धन और ऋण दोनों मान लें।