?Find a Unit Vector in the Direction Of $\mathbf { w } = \langle - 4 , - 6 \rangle$

?Find a unit vector in the direction of $\mathbf { w } = \langle - 4 , - 6 \rangle$ . ?

A) ? $\left\langle - \frac { 2 \sqrt { 13 } } { 13 } , - \frac { 3 \sqrt { 13 } } { 13 } \right\rangle$
B) ? $\left\langle - \frac { \sqrt { 13 } } { 39 } , - \frac { \sqrt { 13 } } { 26 } \right\rangle$
C) ? $\left\langle - \frac { \sqrt { 13 } } { 4 } , - \frac { \sqrt { 13 } } { 6 } \right\rangle$
D) ? $\left\langle - \frac { \sqrt { 13 } } { 13 } , - \frac { \sqrt { 13 } } { 13 } \right\rangle$
E) ? $\left\langle - \frac { 8 \sqrt { 13 } } { 13 } , - \frac { 12 \sqrt { 13 } } { 13 } \right\rangle$

Correct Answer:

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