\( x^2-49 \) को गुणनखंडों में लिखिए।

Write \( x^2-49 \) in factors.

Explanation opens after your attempt
Correct Answer

B. ( (x+7)(x-7) )सही रूप

Step 1

Concept

Since \(49=7^2\), (x-2-49=(x+7)(x-7)). Exam tip: identify square roots.

Step 2

Why this answer is correct

The correct answer is B. ( (x+7)(x-7) ) / सही रूप. Since \(49=7^2\), (x-2-49=(x+7)(x-7)). Exam tip: identify square roots.

Step 3

Exam Tip

\(49=7^2\) इसलिए (x-2-49=(x+7)(x-7))। परीक्षा में वर्गमूल पहचानें।

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Mathematics Answer, Explanation and Revision Hints

\( x^2-49 \) को गुणनखंडों में लिखिए। / Write \( x^2-49 \) in factors.

Correct Answer: B. ( (x+7)(x-7) ) / सही रूप. Explanation: \(49=7^2\) इसलिए (x-2-49=(x+7)(x-7))। परीक्षा में वर्गमूल पहचानें। / Since \(49=7^2\), (x-2-49=(x+7)(x-7)). Exam tip: identify square roots.

Which concept should I revise for this Mathematics MCQ?

Since \(49=7^2\), (x-2-49=(x+7)(x-7)). Exam tip: identify square roots.

What exam hint can help solve this Mathematics question?

\(49=7^2\) इसलिए (x-2-49=(x+7)(x-7))। परीक्षा में वर्गमूल पहचानें।

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