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Find the Indicated Cross Product v=6i3j+k,w=3i5jk\mathbf { v } = - 6 \mathbf { i } - 3 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 3 \mathbf { i } - 5 \mathbf { j } - \mathbf { k }

Question 155

Multiple Choice

Find the indicated cross product.
- v=6i3j+k,w=3i5jk\mathbf { v } = - 6 \mathbf { i } - 3 \mathbf { j } + \mathbf { k } , \quad \mathbf { w } = - 3 \mathbf { i } - 5 \mathbf { j } - \mathbf { k }
Find v×w\mathbf { v } \times \mathbf { w } .


A) 8i9j+21k8 \mathbf { i } - 9 \mathbf { j } + 21 \mathbf { k }
B) 21i8j+9k21 \mathbf { i } - 8 \mathbf { j } + 9 \mathbf { k }
C) 8i+9j+3k- 8 \mathbf { i } + 9 \mathbf { j } + 3 \mathbf { k }
D) 2i3j+39k- 2 \mathbf { i } - 3 \mathbf { j } + 39 \mathbf { k }

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