Question

Find the unit vector in the direction of a vector a vector equal to 3icap-2jcap+5kcap

Answer 1

$\frac{3i - 2j + 5k}{ \sqrt{{3}^{2} + {2}^{2} + {5}^{2} } } = \frac{3i - 2j + 5k}{ \sqrt{38} }$