Find the Indicated Cross Product $$\mathbf { v } = 4 \mathbf { i } + 2 \mathbf { j } + 5 \mathbf { k } , \quad \mathbf { w } = - 5 \mathbf { i } + 2 \mathbf { j } + 4 \mathbf { k }$$

question 143

Multiple Choice

Find the indicated cross product.
- $$\mathbf { v } = 4 \mathbf { i } + 2 \mathbf { j } + 5 \mathbf { k } , \quad \mathbf { w } = - 5 \mathbf { i } + 2 \mathbf { j } + 4 \mathbf { k }$$
Find $\mathbf { w } \times \mathbf { v }$ .

• A) \(- 41 \mathrm { i } - 2 \mathrm { j } - 18 \mathrm { k }\)
• B) \(2 \mathbf { i } + 41 \mathbf { j } - 18 \mathbf { k }\)
• C) \(- 2 \mathbf { i } + 40 \mathbf { j } - 18 \mathbf { k }\)
• D) \(- 18 \mathbf { i } - 2 \mathbf { j } + 2 \mathbf { k }\)

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A particular or distinct deed or movement carried out with a purpose in mind.

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A region of the brain involved in processing emotions such as fear, anger, and pleasure.

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A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., heart rate) and in the fight-or-flight response.