Find the values of $x, y$ and $z$ so that the vectors $\vec{a} = x \hat{i} + 2 \hat{j} + z \hat{k}$ and $\vec{b} = 2 \hat{i} + y \hat{j} + \hat{k}$ are equal.

  • A
    $x = 2, y = 2, z = 1$
  • B
    $x = 1, y = 2, z = 2$
  • C
    $x = 2, y = 1, z = 2$
  • D
    $x = 1, y = 1, z = 2$

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