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in Quadratic Equations by (25.5k points)
If `alpha, beta, gamma` are the roots of the equation `x^(3) + ax^(2) + bx + c = 0, "then" alpha^(-1) + beta^(-1) + gamma^(-1)=`
A. `(a)/(c)`
B. `-(b)/(c)`
C. `(b)/(a)`
D. `(c)/(a)`

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