The position of point $A$

is given by vec$(r{)}_A=2$hat$(i)+$

$-4$hat$(j)+1$hat$(k)[m]$ and the

position of point $B$ is

given by vec$(r{)}_B=9$hat$(i)+$

$6$hat$(j)+7$hat$(k)[m].$

Find the

position

vector, vec$(r{)}_{\frac{B}{A}}$

that extends

from $A$ to $B$

in meters: