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For u=1,2,3\vec { u } = \langle 1,2,3 \rangle v=1,1,1\vec { v } = \langle - 1,1 , - 1 \rangle

Question 86

Multiple Choice

For u=1,2,3\vec { u } = \langle 1,2,3 \rangle , v=1,1,1\vec { v } = \langle - 1,1 , - 1 \rangle and w=1,2,1\vec { w } = \langle 1,2,1 \rangle , find (u×v) ×u( \vec { u } \times \vec { v } ) \times \vec { u }


A) 4,2,0\langle - 4,2,0 \rangle
B) 0,0,0\langle 0,0,0 \rangle
C) 4,2,1\langle - 4,2,1 \rangle
D) 4,2,1\langle - 4,2 , - 1 \rangle

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