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

Question 31

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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