समीकरण \(x^2+2x-35=0\) के मूल कौन से हैं?
What are the roots of \(x^2+2x-35=0\)?
Explanation opens after your attempt
A. (5) और (-7)(5) and (-7)
Concept
(x-2+2x-35=(x+7)(x-5)). Therefore the roots are (-7) and (5).
Why this answer is correct
The correct answer is A. (5) और (-7) / (5) and (-7). (x-2+2x-35=(x+7)(x-5)). Therefore the roots are (-7) and (5).
Exam Tip
(x-2+2x-35=(x+7)(x-5)) है। इसलिए मूल (-7) और (5) हैं।
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