The solutions of the equation $\left| \begin{array}{ccc} 1 & 1 & x \\ p+1 & p+1 & p+x \\ 3 & x+1 & x+2 \end{array} \right| = 0$ are:

  • A
    $x = 1, 2$
  • B
    $x = 2, 3$
  • C
    $x = 1, p, 2$
  • D
    $x = 1, 2, -p$

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