Find the Unit Vector in the Direction of the Given $\mathbf { u } = \langle 5,3 \rangle$

Multiple Choice

Find the unit vector in the direction of the given vector. Write your answer in the indicated form.
-Let $\mathbf { u } = \langle 5,3 \rangle$ . Find the unit vector in the direction of $\mathbf { u }$ , and write your answer as a linear combination of the standard unit vectors $i$ and $\mathbf { j }$ .

A) $\mathbf { i } + \mathbf { j }$
B) $\frac { 5 } { 34 } \mathrm { i } + \frac { 3 } { 34 } \mathrm { j }$
C) $\frac { 5 } { 8 } \mathrm { i } + \frac { 3 } { 8 } \mathrm { j }$
D) $\frac { 5 } { \sqrt { 34 } } \mathrm { i } + \frac { 3 } { \sqrt { 34 } } \mathrm { j }$