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

Question 212

Multiple Choice

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


A) 21313,31313\left\langle - \frac { 2 \sqrt { 13 } } { 13 } , - \frac { 3 \sqrt { 13 } } { 13 } \right\rangle
B) 1339,1326\left\langle - \frac { \sqrt { 13 } } { 39 } , - \frac { \sqrt { 13 } } { 26 } \right\rangle
C) 134,136\left\langle - \frac { \sqrt { 13 } } { 4 } , - \frac { \sqrt { 13 } } { 6 } \right\rangle
D) 1313,1313\left\langle - \frac { \sqrt { 13 } } { 13 } , - \frac { \sqrt { 13 } } { 13 } \right\rangle
E) 81313,121313\left\langle - \frac { 8 \sqrt { 13 } } { 13 } , - \frac { 12 \sqrt { 13 } } { 13 } \right\rangle

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