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If f(x)=a+b x+c x^2 and alpha,beta,gamma...

If `f(x)=a+b x+c x^2 and alpha,beta,gamma` are the roots of the equation `x^3=1,t h e n|a b c b c a c a b|` is equal to a.`f(alpha)+f(beta)+f(gamma)` b`f(alpha)f(beta)+f(beta)f(gamma)+f(gamma)f(alpha)` c. `f(alpha)f(beta)f(gamma)` d. `-f(alpha)f(beta)f(gamma)`

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