The roots of the equation $a^{2} x^{2}-3 a b x+2 b^{2}=0$ are

  • A
    $\frac{2 b}{a}, \frac{-b}{a}$
  • B
    $\frac{2 b}{a}, \frac{b}{a}$
  • C
    $\frac{-2 b}{a}, \frac{b}{a}$
  • D
    $None \, of \, these$

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