\(x^2+9x+20\) का सही गुणनखंड रूप कौन सा है?

Which is the correct factorised form of \(x^2+9x+20\)?

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

B. ((x+4)(x+5))

Step 1

Concept

(4+5=9) and \(4\times5=20\). Exam tip: check both sum and product.

Step 2

Why this answer is correct

The correct answer is B. ((x+4)(x+5)). (4+5=9) and \(4\times5=20\). Exam tip: check both sum and product.

Step 3

Exam Tip

(4+5=9) और \(4\times5=20\) है। परीक्षा में योग और गुणनफल दोनों जांचें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+9x+20\) का सही गुणनखंड रूप कौन सा है? / Which is the correct factorised form of \(x^2+9x+20\)?

Correct Answer: B. ((x+4)(x+5)). Explanation: (4+5=9) और \(4\times5=20\) है। परीक्षा में योग और गुणनफल दोनों जांचें। / (4+5=9) and \(4\times5=20\). Exam tip: check both sum and product.

Which concept should I revise for this Mathematics MCQ?

(4+5=9) and \(4\times5=20\). Exam tip: check both sum and product.

What exam hint can help solve this Mathematics question?

(4+5=9) और \(4\times5=20\) है। परीक्षा में योग और गुणनफल दोनों जांचें।