\(x^2+2x-63\) के गुणनखंड कौन से हैं?

What are the factors of \(x^2+2x-63\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. ((x+9)(x-7))

Step 1

Concept

Since (9-7=2) and (9\cdot(-7)=-63). Exam tip: use opposite signs for a negative constant term.

Step 2

Why this answer is correct

The correct answer is A. ((x+9)(x-7)). Since (9-7=2) and (9\cdot(-7)=-63). Exam tip: use opposite signs for a negative constant term.

Step 3

Exam Tip

(9-7=2) और (9\cdot(-7)=-63) है। परीक्षा में ऋण स्थिर पद के लिए विपरीत चिह्न लें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+2x-63\) के गुणनखंड कौन से हैं? / What are the factors of \(x^2+2x-63\)?

Correct Answer: A. ((x+9)(x-7)). Explanation: (9-7=2) और (9\cdot(-7)=-63) है। परीक्षा में ऋण स्थिर पद के लिए विपरीत चिह्न लें। / Since (9-7=2) and (9\cdot(-7)=-63). Exam tip: use opposite signs for a negative constant term.

Which concept should I revise for this Mathematics MCQ?

Since (9-7=2) and (9\cdot(-7)=-63). Exam tip: use opposite signs for a negative constant term.

What exam hint can help solve this Mathematics question?

(9-7=2) और (9\cdot(-7)=-63) है। परीक्षा में ऋण स्थिर पद के लिए विपरीत चिह्न लें।