((5x-2)2) में (x) का गुणांक क्या होगा?

What will be the coefficient of (x) in ((5x-2)2)?

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

B. (-20)

Step 1

Concept

The middle term is \(-2\cdot5x\cdot2=-20x\). Exam tip: note both the negative sign and (2ab).

Step 2

Why this answer is correct

The correct answer is B. (-20). The middle term is \(-2\cdot5x\cdot2=-20x\). Exam tip: note both the negative sign and (2ab).

Step 3

Exam Tip

मध्य पद \(-2\cdot5x\cdot2=-20x\) है। परीक्षा में ऋण चिह्न और (2ab) दोनों ध्यान रखें।

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Mathematics Answer, Explanation and Revision Hints

((5x-2)2) में (x) का गुणांक क्या होगा? / What will be the coefficient of (x) in ((5x-2)2)?

Correct Answer: B. (-20). Explanation: मध्य पद \(-2\cdot5x\cdot2=-20x\) है। परीक्षा में ऋण चिह्न और (2ab) दोनों ध्यान रखें। / The middle term is \(-2\cdot5x\cdot2=-20x\). Exam tip: note both the negative sign and (2ab).

Which concept should I revise for this Mathematics MCQ?

The middle term is \(-2\cdot5x\cdot2=-20x\). Exam tip: note both the negative sign and (2ab).

What exam hint can help solve this Mathematics question?

मध्य पद \(-2\cdot5x\cdot2=-20x\) है। परीक्षा में ऋण चिह्न और (2ab) दोनों ध्यान रखें।