((2x-3)2) का सही विस्तार क्या है?

What is the correct expansion of ((2x-3)2)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(4x^2-12x+9\)

Step 1

Concept

The middle term is \(-2\cdot2x\cdot3=-12x\). Exam tip: square the whole (2x) as \(4x^2\).

Step 2

Why this answer is correct

The correct answer is B. \(4x^2-12x+9\). The middle term is \(-2\cdot2x\cdot3=-12x\). Exam tip: square the whole (2x) as \(4x^2\).

Step 3

Exam Tip

मध्य पद \(-2\cdot2x\cdot3=-12x\) होगा। परीक्षा में पूरे (2x) का वर्ग \(4x^2\) लें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

((2x-3)2) का सही विस्तार क्या है? / What is the correct expansion of ((2x-3)2)?

Correct Answer: B. \(4x^2-12x+9\). Explanation: मध्य पद \(-2\cdot2x\cdot3=-12x\) होगा। परीक्षा में पूरे (2x) का वर्ग \(4x^2\) लें। / The middle term is \(-2\cdot2x\cdot3=-12x\). Exam tip: square the whole (2x) as \(4x^2\).

Which concept should I revise for this Mathematics MCQ?

The middle term is \(-2\cdot2x\cdot3=-12x\). Exam tip: square the whole (2x) as \(4x^2\).

What exam hint can help solve this Mathematics question?

मध्य पद \(-2\cdot2x\cdot3=-12x\) होगा। परीक्षा में पूरे (2x) का वर्ग \(4x^2\) लें।