\(16m^2-40mn+25n^2\) का सही गुणनखंड रूप चुनिए।

Choose the correct factorised form of \(16m^2-40mn+25n^2\).

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. ((4m-5n)2)

Step 1

Concept

The middle term is negative, so the perfect square is ((4m-5n)2). Exam tip: check both square roots and sign.

Step 2

Why this answer is correct

The correct answer is B. ((4m-5n)2). The middle term is negative, so the perfect square is ((4m-5n)2). Exam tip: check both square roots and sign.

Step 3

Exam Tip

मध्य पद ऋण है इसलिए पूर्ण वर्ग ((4m-5n)2) बनेगा। परीक्षा में वर्गमूल और चिह्न दोनों जांचें।

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Mathematics Answer, Explanation and Revision Hints

\(16m^2-40mn+25n^2\) का सही गुणनखंड रूप चुनिए। / Choose the correct factorised form of \(16m^2-40mn+25n^2\).

Correct Answer: B. ((4m-5n)2). Explanation: मध्य पद ऋण है इसलिए पूर्ण वर्ग ((4m-5n)2) बनेगा। परीक्षा में वर्गमूल और चिह्न दोनों जांचें। / The middle term is negative, so the perfect square is ((4m-5n)2). Exam tip: check both square roots and sign.

Which concept should I revise for this Mathematics MCQ?

The middle term is negative, so the perfect square is ((4m-5n)2). Exam tip: check both square roots and sign.

What exam hint can help solve this Mathematics question?

मध्य पद ऋण है इसलिए पूर्ण वर्ग ((4m-5n)2) बनेगा। परीक्षा में वर्गमूल और चिह्न दोनों जांचें।