Let $P$ and $Q$ be $3 \times 3$ matrices such that $P \neq Q$. If $P^3 = Q^3$ and $P^2Q = Q^2P$,then the determinant $\det(P^2 + Q^2)$ is equal to:

  • A
    $ -2 $
  • B
    $ 1 $
  • C
    $ 0 $
  • D
    $ -1 $

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