समीकरण \(4x^2-7x+2=0\) में मूलों का योग क्या है?
What is the sum of roots of \(4x^2-7x+2=0\)?
Explanation opens after your attempt
Correct Answer
A. \(\frac{7}{4}\)
Concept
The sum of roots is \(-\frac{b}{a}=-\frac{-7}{4}=\frac{7}{4}\). Pay attention to the sign of (b) in the formula.
Why this answer is correct
The correct answer is A. \(\frac{7}{4}\). The sum of roots is \(-\frac{b}{a}=-\frac{-7}{4}=\frac{7}{4}\). Pay attention to the sign of (b) in the formula.
Exam Tip
मूलों का योग \(-\frac{b}{a}=-\frac{-7}{4}=\frac{7}{4}\) है। सूत्र में (b) का चिन्ह ध्यान से रखें।
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