1.

If \[f(x)=a+bx+c{{x}^{2}}\] and \[\alpha ,\beta ,\gamma \]are the roots of the equation\[{{x}^{3}}=1,\]then 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.  \[f(\alpha )f(\beta )f(\gamma )\]
Answer» C.  \[f(\alpha )f(\beta )f(\gamma )\]


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