यदि \(x^2+px+36\) पूर्ण वर्ग हो और (p) धनात्मक हो, तो (p) का मान क्या होगा?

If \(x^2+px+36\) is a perfect square and (p) is positive, what is the value of (p)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (12)

Step 1

Concept

Since \(36=6^2\), the middle term will be \(2\cdot6\cdot x=12x\). Exam tip: double the square root of the constant term.

Step 2

Why this answer is correct

The correct answer is C. (12). Since \(36=6^2\), the middle term will be \(2\cdot6\cdot x=12x\). Exam tip: double the square root of the constant term.

Step 3

Exam Tip

\(36=6^2\) है इसलिए मध्य पद \(2\cdot6\cdot x=12x\) होगा। परीक्षा में अंतिम पद की वर्गमूल को दोगुना करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x^2+px+36\) पूर्ण वर्ग हो और (p) धनात्मक हो, तो (p) का मान क्या होगा? / If \(x^2+px+36\) is a perfect square and (p) is positive, what is the value of (p)?

Correct Answer: C. (12). Explanation: \(36=6^2\) है इसलिए मध्य पद \(2\cdot6\cdot x=12x\) होगा। परीक्षा में अंतिम पद की वर्गमूल को दोगुना करें। / Since \(36=6^2\), the middle term will be \(2\cdot6\cdot x=12x\). Exam tip: double the square root of the constant term.

Which concept should I revise for this Mathematics MCQ?

Since \(36=6^2\), the middle term will be \(2\cdot6\cdot x=12x\). Exam tip: double the square root of the constant term.

What exam hint can help solve this Mathematics question?

\(36=6^2\) है इसलिए मध्य पद \(2\cdot6\cdot x=12x\) होगा। परीक्षा में अंतिम पद की वर्गमूल को दोगुना करें।