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If (\alpha,\beta) are roots of (2x^2-9x+4=0), what is (\alpha+\beta)?
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Answer and explanation
Correct answer: ( \frac{9}{2}) / (\frac{9}{2})
The sum of roots is (-\frac{b}{a}=-\frac{-9}{2}=\frac{9}{2}). In exams, keep the sign of (b) carefully.
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What is the correct answer to this question?
( \frac{9}{2}) / (\frac{9}{2})
Why is this the correct answer?
The sum of roots is (-\frac{b}{a}=-\frac{-9}{2}=\frac{9}{2}). In exams, keep the sign of (b) carefully.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.
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