समीकरण \(x^2-14x+45=0\) के मूल कौन से हैं?
What are the roots of \(x^2-14x+45=0\)?
Explanation opens after your attempt
A. (5) और (9)(5) and (9)
Concept
(x-2-14x+45=(x-5)(x-9)). Therefore the roots are (5) and (9).
Why this answer is correct
The correct answer is A. (5) और (9) / (5) and (9). (x-2-14x+45=(x-5)(x-9)). Therefore the roots are (5) and (9).
Exam Tip
(x-2-14x+45=(x-5)(x-9)) है। इसलिए मूल (5) और (9) हैं।
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