\(5x^2-18x+9=0\) के मूल क्या होंगे?
What will be the roots of \(5x^2-18x+9=0\)?
Explanation opens after your attempt
A. \(x=3,\frac{3}{5}\)
Concept
(5x-2-18x+9=(5x-3)(x-3)), so the roots are \(\frac{3}{5}\) and (3). In exams, verify the answer quickly by factorisation.
Why this answer is correct
The correct answer is A. \(x=3,\frac{3}{5}\). (5x-2-18x+9=(5x-3)(x-3)), so the roots are \(\frac{3}{5}\) and (3). In exams, verify the answer quickly by factorisation.
Exam Tip
(5x-2-18x+9=(5x-3)(x-3)), इसलिए मूल \(\frac{3}{5}\) और (3) हैं। परीक्षा में गुणनखंड विधि से उत्तर जल्दी जांचें।
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