Class 11Mathematics2 Complex Numbers and Quadratic Equations: Quadratic EquationsRelation between roots and coefficients
EasyIf $\alpha, \beta$ and $\gamma$ are the roots of the equation $x^3+3x^2-7x+5=0$,then the value of $\frac{1}{\alpha}+\frac{1}{\beta}+\frac{1}{\gamma}$ is
- A$\frac{-7}{5}$
- B$\frac{7}{5}$
- C$\frac{-3}{5}$
- D$\frac{3}{5}$
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