Find sum of roots of quadratic equation:
$a x^{2} + b x + c = 0$

\frac{b}{a}

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- \frac{b}{a}

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\frac{a}{b}

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- \frac{a}{b}

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Solution

The correct option is B $- \frac{b}{a}$
$\propto + β = \frac{- b + \sqrt{b^{2} - 4 a c} - b - \sqrt{b^{2} - 4 a c}}{2 a} = \frac{- b}{a}$

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