( (7m+3n)(7m-3n) ) को सरल कीजिए।

Simplify ( (7m+3n)(7m-3n) ).

Explanation opens after your attempt
Correct Answer

A. \(49m^2-9n^2\)सही परिणाम

Step 1

Concept

This is ( (7m)2-(3n)2 ). Exam tip: identify the ( (a+b)(a-b) ) identity.

Step 2

Why this answer is correct

The correct answer is A. \(49m^2-9n^2\) / सही परिणाम. This is ( (7m)2-(3n)2 ). Exam tip: identify the ( (a+b)(a-b) ) identity.

Step 3

Exam Tip

यह ( (7m)2-(3n)2 ) है। परीक्षा में ( (a+b)(a-b) ) पहचान पहचानें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

( (7m+3n)(7m-3n) ) को सरल कीजिए। / Simplify ( (7m+3n)(7m-3n) ).

Correct Answer: A. \(49m^2-9n^2\) / सही परिणाम. Explanation: यह ( (7m)2-(3n)2 ) है। परीक्षा में ( (a+b)(a-b) ) पहचान पहचानें। / This is ( (7m)2-(3n)2 ). Exam tip: identify the ( (a+b)(a-b) ) identity.

Which concept should I revise for this Mathematics MCQ?

This is ( (7m)2-(3n)2 ). Exam tip: identify the ( (a+b)(a-b) ) identity.

What exam hint can help solve this Mathematics question?

यह ( (7m)2-(3n)2 ) है। परीक्षा में ( (a+b)(a-b) ) पहचान पहचानें।

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