\(9a^2-12ab+4b^2-c^2\) को गुणनखंडित करें।

Factorise \(9a^2-12ab+4b^2-c^2\).

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. ((3a-2b-c)(3a-2b+c))

Step 1

Concept

(9a-2-12ab+4b-2=(3a-2b)2). Exam tip: after the perfect square, use the difference with \(c^2\).

Step 2

Why this answer is correct

The correct answer is A. ((3a-2b-c)(3a-2b+c)). (9a-2-12ab+4b-2=(3a-2b)2). Exam tip: after the perfect square, use the difference with \(c^2\).

Step 3

Exam Tip

(9a-2-12ab+4b-2=(3a-2b)2) है। परीक्षा में पूर्ण वर्ग के बाद \(c^2\) का अंतर लगाएं।

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Mathematics Answer, Explanation and Revision Hints

\(9a^2-12ab+4b^2-c^2\) को गुणनखंडित करें। / Factorise \(9a^2-12ab+4b^2-c^2\).

Correct Answer: A. ((3a-2b-c)(3a-2b+c)). Explanation: (9a-2-12ab+4b-2=(3a-2b)2) है। परीक्षा में पूर्ण वर्ग के बाद \(c^2\) का अंतर लगाएं। / (9a-2-12ab+4b-2=(3a-2b)2). Exam tip: after the perfect square, use the difference with \(c^2\).

Which concept should I revise for this Mathematics MCQ?

(9a-2-12ab+4b-2=(3a-2b)2). Exam tip: after the perfect square, use the difference with \(c^2\).

What exam hint can help solve this Mathematics question?

(9a-2-12ab+4b-2=(3a-2b)2) है। परीक्षा में पूर्ण वर्ग के बाद \(c^2\) का अंतर लगाएं।