समीकरण \(x^2-8x+15=0\) के मूल कौन से हैं?
What are the roots of \(x^2-8x+15=0\)?
Explanation opens after your attempt
A. (3) और (5)(3) and (5)
Concept
(x-2-8x+15=(x-3)(x-5)). Therefore the roots are (3) and (5).
Why this answer is correct
The correct answer is A. (3) और (5) / (3) and (5). (x-2-8x+15=(x-3)(x-5)). Therefore the roots are (3) and (5).
Exam Tip
(x-2-8x+15=(x-3)(x-5)) है। इसलिए मूल (3) और (5) हैं।
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