\(4p^2-12pq+9q^2-25r^2\) का गुणनखंड रूप क्या है?

What is the factorised form of \(4p^2-12pq+9q^2-25r^2\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. ( (2p-3q-5r)(2p-3q+5r) )

Step 1

Concept

First write \(4p^2-12pq+9q^2\) as ((2p-3q)2). Exam tip: identify ((a-b)2) from the negative middle term.

Step 2

Why this answer is correct

The correct answer is D. ( (2p-3q-5r)(2p-3q+5r) ). First write \(4p^2-12pq+9q^2\) as ((2p-3q)2). Exam tip: identify ((a-b)2) from the negative middle term.

Step 3

Exam Tip

पहले \(4p^2-12pq+9q^2\) को ((2p-3q)2) लिखें। परीक्षा में ऋणात्मक मध्य पद से ((a-b)2) पहचानें।

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Mathematics Answer, Explanation and Revision Hints

\(4p^2-12pq+9q^2-25r^2\) का गुणनखंड रूप क्या है? / What is the factorised form of \(4p^2-12pq+9q^2-25r^2\)?

Correct Answer: D. ( (2p-3q-5r)(2p-3q+5r) ). Explanation: पहले \(4p^2-12pq+9q^2\) को ((2p-3q)2) लिखें। परीक्षा में ऋणात्मक मध्य पद से ((a-b)2) पहचानें। / First write \(4p^2-12pq+9q^2\) as ((2p-3q)2). Exam tip: identify ((a-b)2) from the negative middle term.

Which concept should I revise for this Mathematics MCQ?

First write \(4p^2-12pq+9q^2\) as ((2p-3q)2). Exam tip: identify ((a-b)2) from the negative middle term.

What exam hint can help solve this Mathematics question?

पहले \(4p^2-12pq+9q^2\) को ((2p-3q)2) लिखें। परीक्षा में ऋणात्मक मध्य पद से ((a-b)2) पहचानें।