\(x^2+9x+20\) का सही गुणनखंडन चुनिए।

Choose the correct factorisation of \(x^2+9x+20\).

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

A. ((x+4)(x+5))

Step 1

Concept

(4+5=9) and \(4\cdot5=20\). Exam tip: correct factors must satisfy both conditions.

Step 2

Why this answer is correct

The correct answer is A. ((x+4)(x+5)). (4+5=9) and \(4\cdot5=20\). Exam tip: correct factors must satisfy both conditions.

Step 3

Exam Tip

(4+5=9) और \(4\cdot5=20\) है। परीक्षा में सही कारक वही होंगे जिनसे दोनों शर्तें पूरी हों।

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Mathematics Answer, Explanation and Revision Hints

\(x^2+9x+20\) का सही गुणनखंडन चुनिए। / Choose the correct factorisation of \(x^2+9x+20\).

Correct Answer: A. ((x+4)(x+5)). Explanation: (4+5=9) और \(4\cdot5=20\) है। परीक्षा में सही कारक वही होंगे जिनसे दोनों शर्तें पूरी हों। / (4+5=9) and \(4\cdot5=20\). Exam tip: correct factors must satisfy both conditions.

Which concept should I revise for this Mathematics MCQ?

(4+5=9) and \(4\cdot5=20\). Exam tip: correct factors must satisfy both conditions.

What exam hint can help solve this Mathematics question?

(4+5=9) और \(4\cdot5=20\) है। परीक्षा में सही कारक वही होंगे जिनसे दोनों शर्तें पूरी हों।