\(x^2-4xy+4y^2-25\) का गुणनखंड रूप चुनें।

Choose the factorised form of \(x^2-4xy+4y^2-25\).

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. ((x-2y-5)(x-2y+5))सही रूप

Step 1

Concept

First (x-2-4xy+4y-2=(x-2y)2), then use \(25=5^2\). In exams identify the perfect-square trinomial.

Step 2

Why this answer is correct

The correct answer is A. ((x-2y-5)(x-2y+5)) / सही रूप. First (x-2-4xy+4y-2=(x-2y)2), then use \(25=5^2\). In exams identify the perfect-square trinomial.

Step 3

Exam Tip

पहले (x-2-4xy+4y-2=(x-2y)2), फिर \(25=5^2\) लगाएं। परीक्षा में पूर्ण वर्ग त्रिपद को पहचानें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-4xy+4y^2-25\) का गुणनखंड रूप चुनें। / Choose the factorised form of \(x^2-4xy+4y^2-25\).

Correct Answer: A. ((x-2y-5)(x-2y+5)) / सही रूप. Explanation: पहले (x-2-4xy+4y-2=(x-2y)2), फिर \(25=5^2\) लगाएं। परीक्षा में पूर्ण वर्ग त्रिपद को पहचानें। / First (x-2-4xy+4y-2=(x-2y)2), then use \(25=5^2\). In exams identify the perfect-square trinomial.

Which concept should I revise for this Mathematics MCQ?

First (x-2-4xy+4y-2=(x-2y)2), then use \(25=5^2\). In exams identify the perfect-square trinomial.

What exam hint can help solve this Mathematics question?

पहले (x-2-4xy+4y-2=(x-2y)2), फिर \(25=5^2\) लगाएं। परीक्षा में पूर्ण वर्ग त्रिपद को पहचानें।