\(x^2-18x+80=0\) के मूल क्या हैं?
What are the roots of \(x^2-18x+80=0\)?
Explanation opens after your attempt
A. (x=8,10)
Concept
(x-2-18x+80=(x-8)(x-10)), so the roots are (8) and (10). In exams, change signs while writing roots from factors.
Why this answer is correct
The correct answer is A. (x=8,10). (x-2-18x+80=(x-8)(x-10)), so the roots are (8) and (10). In exams, change signs while writing roots from factors.
Exam Tip
(x-2-18x+80=(x-8)(x-10)), इसलिए मूल (8) और (10) हैं। परीक्षा में गुणनखंड से मूल लिखते समय चिन्ह बदलें।
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