समीकरण \(x^2+x-20=0\) के मूल कौन से हैं?

What are the roots of \(x^2+x-20=0\)?

Explanation opens after your attempt
Correct Answer

A. (4) और (-5)(4) and (-5)

Step 1

Concept

(x-2+x-20=(x+5)(x-4)). Therefore the roots are (-5) and (4).

Step 2

Why this answer is correct

The correct answer is A. (4) और (-5) / (4) and (-5). (x-2+x-20=(x+5)(x-4)). Therefore the roots are (-5) and (4).

Step 3

Exam Tip

(x-2+x-20=(x+5)(x-4)) है। इसलिए मूल (-5) और (4) हैं।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(x^2+x-20=0\) के मूल कौन से हैं? / What are the roots of \(x^2+x-20=0\)?

Correct Answer: A. (4) और (-5) / (4) and (-5). Explanation: (x-2+x-20=(x+5)(x-4)) है। इसलिए मूल (-5) और (4) हैं। / (x-2+x-20=(x+5)(x-4)). Therefore the roots are (-5) and (4).

Which concept should I revise for this Mathematics MCQ?

(x-2+x-20=(x+5)(x-4)). Therefore the roots are (-5) and (4).

What exam hint can help solve this Mathematics question?

(x-2+x-20=(x+5)(x-4)) है। इसलिए मूल (-5) और (4) हैं।