Write about the properties of components of vectors.

Explanation

If two vectors `barA` and `barB` are equal, then their individual components are also equal.
Let `barA=barB`
then `A_(x)hati+A_(y)hatj+A_(z)hatk-B_(x)hati+B_(y)hatj+B_(2)hatk`
i.e., `A_(x)=B_(x),A_(y)=B_(y),A_(z)=B_(z)`