Let $z_{1} = 2 - i$ and $z_{2} = -2 + i$. Find $\operatorname{Im}\left(\frac{1}{z_{1} \bar{z}_{1}}\right)$.

  • A
    $0$
  • B
    $1/5$
  • C
    $1/25$
  • D
    $1$

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