\(4x^2+kx+1\) को ((2x+1)2) बनाने के लिए (k) क्या होगा?

What should (k) be to make \(4x^2+kx+1\) equal to ((2x+1)2)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (4)

Step 1

Concept

((2x+1)2=4x-2+4x+1). In exams, check the middle term (2ab).

Step 2

Why this answer is correct

The correct answer is B. (4). ((2x+1)2=4x-2+4x+1). In exams, check the middle term (2ab).

Step 3

Exam Tip

((2x+1)2=4x-2+4x+1) है। परीक्षा में (2ab) वाला मध्य पद देखें।

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Mathematics Answer, Explanation and Revision Hints

\(4x^2+kx+1\) को ((2x+1)2) बनाने के लिए (k) क्या होगा? / What should (k) be to make \(4x^2+kx+1\) equal to ((2x+1)2)?

Correct Answer: B. (4). Explanation: ((2x+1)2=4x-2+4x+1) है। परीक्षा में (2ab) वाला मध्य पद देखें। / ((2x+1)2=4x-2+4x+1). In exams, check the middle term (2ab).

Which concept should I revise for this Mathematics MCQ?

((2x+1)2=4x-2+4x+1). In exams, check the middle term (2ab).

What exam hint can help solve this Mathematics question?

((2x+1)2=4x-2+4x+1) है। परीक्षा में (2ab) वाला मध्य पद देखें।