गुणनखंड विधि से \(7x^2-9x+2=0\) के मूल क्या होंगे?
Using factorisation method, what will be the roots of \(7x^2-9x+2=0\)?
Explanation opens after your attempt
A. \(x=1,\frac{2}{7}\)
Concept
(7x-2-9x+2=(7x-2)(x-1)), so the roots are (1) and \(\frac{2}{7}\). In exams, solve each linear factor separately.
Why this answer is correct
The correct answer is A. \(x=1,\frac{2}{7}\). (7x-2-9x+2=(7x-2)(x-1)), so the roots are (1) and \(\frac{2}{7}\). In exams, solve each linear factor separately.
Exam Tip
(7x-2-9x+2=(7x-2)(x-1)), इसलिए मूल (1) और \(\frac{2}{7}\) हैं। परीक्षा में हर रैखिक गुणनखंड को अलग हल करें।
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