\(4a^2-12ab+9b^2\) का गुणनखंड रूप चुनिए।
Choose the factorised form of \(4a^2-12ab+9b^2\).
Explanation opens after your attempt
B. ((2a-3b)2)
Concept
It is the perfect square of the difference of (2a) and (3b). In exams, confirm with the middle term \(-2\cdot2a\cdot3b\).
Why this answer is correct
The correct answer is B. ((2a-3b)2). It is the perfect square of the difference of (2a) and (3b). In exams, confirm with the middle term \(-2\cdot2a\cdot3b\).
Exam Tip
यह (2a) और (3b) के अंतर का पूर्ण वर्ग है। परीक्षा में मध्य पद \(-2\cdot2a\cdot3b\) से पुष्टि करें।
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