\(x^2+10x+21\) के गुणनखंड क्या हैं?

What are the factors of \(x^2+10x+21\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. ((x+3)(x+7))

Step 1

Concept

(3+7=10) and \(3\cdot7=21\). Exam tip: choose the pair of factors of the last term.

Step 2

Why this answer is correct

The correct answer is B. ((x+3)(x+7)). (3+7=10) and \(3\cdot7=21\). Exam tip: choose the pair of factors of the last term.

Step 3

Exam Tip

(3+7=10) और \(3\cdot7=21\) है। परीक्षा में अंतिम पद के कारकों की जोड़ी चुनें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

\(x^2+10x+21\) के गुणनखंड क्या हैं? / What are the factors of \(x^2+10x+21\)?

Correct Answer: B. ((x+3)(x+7)). Explanation: (3+7=10) और \(3\cdot7=21\) है। परीक्षा में अंतिम पद के कारकों की जोड़ी चुनें। / (3+7=10) and \(3\cdot7=21\). Exam tip: choose the pair of factors of the last term.

Which concept should I revise for this Mathematics MCQ?

(3+7=10) and \(3\cdot7=21\). Exam tip: choose the pair of factors of the last term.

What exam hint can help solve this Mathematics question?

(3+7=10) और \(3\cdot7=21\) है। परीक्षा में अंतिम पद के कारकों की जोड़ी चुनें।