\(x^2+ax+18\) में यदि दो स्थिर गुणनखंड (3) और (6) हैं, तो (a) क्या है?

In \(x^2+ax+18\), if the two constant factors are (3) and (6), what is (a)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. (9)

Step 1

Concept

The middle coefficient will be (3+6=9). In exams, identify the form (x-2+(p+q)x+pq).

Step 2

Why this answer is correct

The correct answer is A. (9). The middle coefficient will be (3+6=9). In exams, identify the form (x-2+(p+q)x+pq).

Step 3

Exam Tip

मध्य गुणांक (3+6=9) होगा। परीक्षा में (x-2+(p+q)x+pq) का रूप पहचानें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+ax+18\) में यदि दो स्थिर गुणनखंड (3) और (6) हैं, तो (a) क्या है? / In \(x^2+ax+18\), if the two constant factors are (3) and (6), what is (a)?

Correct Answer: A. (9). Explanation: मध्य गुणांक (3+6=9) होगा। परीक्षा में (x-2+(p+q)x+pq) का रूप पहचानें। / The middle coefficient will be (3+6=9). In exams, identify the form (x-2+(p+q)x+pq).

Which concept should I revise for this Mathematics MCQ?

The middle coefficient will be (3+6=9). In exams, identify the form (x-2+(p+q)x+pq).

What exam hint can help solve this Mathematics question?

मध्य गुणांक (3+6=9) होगा। परीक्षा में (x-2+(p+q)x+pq) का रूप पहचानें।