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

question 212

Multiple Choice

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) \(\left\langle - \frac { 8 \sqrt { 13 } } { 13 } , - \frac { 12 \sqrt { 13 } } { 13 } \right\rangle\)

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The expense incurred by not choosing the second-best option available during decision-making.