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If $\alpha,\beta$ are the roots $x^2-x+2=0$, then $\alpha^2 \beta+\alpha \beta^2=$

$\begin{array}{1 1}(A)\;5 \\(B)\;3 \\(C)\;-2 \\ (D)\;2 \end{array}$

$\alpha^2 \beta+\alpha \beta^2=2$
Hence D is the correct answer.