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Use the Given Vectors to Find the Indicated Expression v=3i+2j+k,w=4i+3jk\mathbf { v } = - 3 \mathbf { i } + 2 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 4 \mathbf { i } + 3 \mathbf { j } - \mathbf { k }

Question 165

Multiple Choice

Use the given vectors to find the indicated expression.
- v=3i+2j+k,w=4i+3jk\mathbf { v } = - 3 \mathbf { i } + 2 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 4 \mathbf { i } + 3 \mathbf { j } - \mathbf { k }
Find (3v) ×w( - 3 \mathbf { v } ) \times \mathbf { w } .


A) 3i+5j+35k3 \mathbf { i } + 5 \mathbf { j } + 35 \mathbf { k }
B) 15i+21j+3k15 \mathbf { i } + 21 \mathbf { j } + 3 \mathbf { k }
C) 15i+27j3k- 15 i + 27 j - 3 k
D) 7i+9j33k7 \mathbf { i } + 9 \mathbf { j } - 33 \mathbf { k }

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