If $\bar{x}$ is a non-zero vector and $k < 0, k \neq -1$,then $\frac{k \bar{x}}{|\bar{x}|}$ is $.........$

  • A
    unit vector in the direction of $\bar{x}$
  • B
    unit vector in the opposite direction of $\bar{x}$
  • C
    in the opposite direction of $\bar{x}$ having magnitude $|k|$
  • D
    in the direction of $\bar{x}$ having magnitude $|k|$

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