Medium Mathematics Quadratic Equations Class 10 Level 29

समीकरण \(x^2+9x=0\) के मूल कौन-से हैं?

What are the roots of \(x^2+9x=0\)?

Explanation opens after your attempt
Correct Answer

A. (0,-9)

Step 1

Concept

(x-2+9x=x(x+9)), so the roots are (0) and (-9). Taking the common factor is a quick method.

Step 2

Why this answer is correct

The correct answer is A. (0,-9). (x-2+9x=x(x+9)), so the roots are (0) and (-9). Taking the common factor is a quick method.

Step 3

Exam Tip

(x-2+9x=x(x+9)), इसलिए मूल (0) और (-9) हैं। समान गुणनखंड निकालना जल्दी तरीका है।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(x^2+9x=0\) के मूल कौन-से हैं? / What are the roots of \(x^2+9x=0\)?

Correct Answer: A. (0,-9). Explanation: (x-2+9x=x(x+9)), इसलिए मूल (0) और (-9) हैं। समान गुणनखंड निकालना जल्दी तरीका है। / (x-2+9x=x(x+9)), so the roots are (0) and (-9). Taking the common factor is a quick method.

Which concept should I revise for this Mathematics MCQ?

(x-2+9x=x(x+9)), so the roots are (0) and (-9). Taking the common factor is a quick method.

What exam hint can help solve this Mathematics question?

(x-2+9x=x(x+9)), इसलिए मूल (0) और (-9) हैं। समान गुणनखंड निकालना जल्दी तरीका है।

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