question_answer

If \[\alpha ,\,\,\beta ,\,\,\gamma \] are the zeroes of the polynomial \[p(x)={{x}^{3}}-a{{x}^{2}}+bx-c,\] then\[\frac{1}{\alpha \beta }+\frac{1}{\beta \gamma }+\frac{1}{\alpha \gamma }=\]__________

A)  \[\frac{a}{b}\]                

B)                                \[\frac{b}{c}\]

C) \[\frac{a}{c}\]                

D) \[\frac{c}{d}\]

E)  None of these