\(x^2+17x+72\) का गुणनखंड रूप कौन-सा है?

Which is the factorised form of \(x^2+17x+72\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. ((x+8)(x+9))सही गुणनखंड

Step 1

Concept

Here (8+9=17) and \(8\cdot9=72\). In exams choose factors of the constant whose sum is the middle coefficient.

Step 2

Why this answer is correct

The correct answer is A. ((x+8)(x+9)) / सही गुणनखंड. Here (8+9=17) and \(8\cdot9=72\). In exams choose factors of the constant whose sum is the middle coefficient.

Step 3

Exam Tip

(8+9=17) और \(8\cdot9=72\) है। परीक्षा में स्थिर पद के ऐसे गुणनखंड चुनें जिनका योग मध्य गुणांक हो।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+17x+72\) का गुणनखंड रूप कौन-सा है? / Which is the factorised form of \(x^2+17x+72\)?

Correct Answer: A. ((x+8)(x+9)) / सही गुणनखंड. Explanation: (8+9=17) और \(8\cdot9=72\) है। परीक्षा में स्थिर पद के ऐसे गुणनखंड चुनें जिनका योग मध्य गुणांक हो। / Here (8+9=17) and \(8\cdot9=72\). In exams choose factors of the constant whose sum is the middle coefficient.

Which concept should I revise for this Mathematics MCQ?

Here (8+9=17) and \(8\cdot9=72\). In exams choose factors of the constant whose sum is the middle coefficient.

What exam hint can help solve this Mathematics question?

(8+9=17) और \(8\cdot9=72\) है। परीक्षा में स्थिर पद के ऐसे गुणनखंड चुनें जिनका योग मध्य गुणांक हो।