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A) (5722,2722,13722)\left( \frac { 5 } { 7 \sqrt { 22 } } , \frac { 2 } { 7 \sqrt { 22 } } , \frac { 13 } { 7 \sqrt { 22 } } \right)

Question 109

Multiple Choice

 Find a unit vector that is orthogonal to both u=16,12,8} and v=20,24,4}\text { Find a unit vector that is orthogonal to both } \mathbf { u } = \langle - 16 , - 12,8 \} \text { and } \mathbf { v } = \langle 20 , - 24 , - 4 \} \text {. }


A) (5722,2722,13722) \left( \frac { 5 } { 7 \sqrt { 22 } } , \frac { 2 } { 7 \sqrt { 22 } } , \frac { 13 } { 7 \sqrt { 22 } } \right)
B) (5322,2322,13322) \left( - \frac { 5 } { 3 \sqrt { 22 } } , - \frac { 2 } { 3 \sqrt { 22 } } , - \frac { 13 } { 3 \sqrt { 22 } } \right)
C) (5323,2323,13323}\left( \frac { 5 } { 3 \sqrt { 23 } } , \frac { 2 } { 3 \sqrt { 23 } } , \frac { 13 } { 3 \sqrt { 23 } } \right\}
D) (5723,2723,13723) \left( - \frac { 5 } { 7 \sqrt { 23 } } , - \frac { 2 } { 7 \sqrt { 23 } } , - \frac { 13 } { 7 \sqrt { 23 } } \right)
E) {5322,2322,13322}\left\{ \frac { 5 } { 3 \sqrt { 22 } } , \frac { 2 } { 3 \sqrt { 22 } } , \frac { 13 } { 3 \sqrt { 22 } } \right\}

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