समीकरण \(x^2+x-12=0\) के मूल कौन से हैं?
What are the roots of \(x^2+x-12=0\)?
Explanation opens after your attempt
A. (3) और (-4)(3) and (-4)
Concept
(x-2+x-12=(x+4)(x-3)). Therefore the roots are (-4) and (3).
Why this answer is correct
The correct answer is A. (3) और (-4) / (3) and (-4). (x-2+x-12=(x+4)(x-3)). Therefore the roots are (-4) and (3).
Exam Tip
(x-2+x-12=(x+4)(x-3)) है। इसलिए मूल (-4) और (3) हैं।
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