समीकरण \(x^2-11x+28=0\) के मूल कौन से हैं?
What are the roots of \(x^2-11x+28=0\)?
Explanation opens after your attempt
A. (4) और (7)(4) and (7)
Concept
(x-2-11x+28=(x-4)(x-7)). Therefore the roots are (4) and (7).
Why this answer is correct
The correct answer is A. (4) और (7) / (4) and (7). (x-2-11x+28=(x-4)(x-7)). Therefore the roots are (4) and (7).
Exam Tip
(x-2-11x+28=(x-4)(x-7)) है। इसलिए मूल (4) और (7) हैं।
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