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

Use the given vectors to find the indicated expression.
- $$\mathbf { v } = - 4 \mathbf { i } + 2 \mathbf { j } - 3 \mathbf { k } , \quad \mathbf { u } = - 4 \mathbf { i } - 3 \mathbf { j } + 4 \mathbf { k }$$
Find $\mathbf { v } \times ( - 5 \mathbf { u } )$ .

A) $115 \mathbf { i } + 155 \mathbf { j } - 50 \mathbf { k }$
B) $5 \mathbf { i } - 140 \mathbf { j } - 100 \mathbf { k }$
C) $- 5 \mathbf { i } + 140 \mathbf { j } + 100 \mathbf { k }$
D) $- 1 \mathbf { i } - 0 \mathbf { j } + 20 \mathbf { k }$

Correct Answer:

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