If $\alpha$ and $\beta$ are the roots of the equation $ax^2 + bx + c = 0$,then what is the value of $\alpha \beta^2 + \alpha^2 \beta + \alpha \beta$?

  • A
    $\frac{c(a - b)}{a^2}$
  • B
    $0$
  • C
    $-\frac{bc}{a^2}$
  • D
    None of these

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