If the equations $x^2 + 2x + 3 = 0$ and $ax^2 + bx + c = 0$,where $a, b, c \in R$,have a common root,then $a:b:c = $ ...

  • A
    $1:2:3$
  • B
    $3:2:1$
  • C
    $1:3:2$
  • D
    $3:1:2$

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