Find $\mathbf { u } \times \mathbf { v }$ $\mathbf { u } = - 7 \mathbf { i } - 3 \mathbf { j } - 9 \mathbf { k } , \mathbf { v } = \mathbf { i } + 4 \mathbf { j } + 7 \mathbf { k }$

question 102

Multiple Choice

Find $\mathbf { u } \times \mathbf { v }$ .
$\mathbf { u } = - 7 \mathbf { i } - 3 \mathbf { j } - 9 \mathbf { k } , \mathbf { v } = \mathbf { i } + 4 \mathbf { j } + 7 \mathbf { k }$

• A) \(15 \mathbf { i } + 40 \mathbf { j } - 25 \mathbf { k }\)
• B) \(- 82\)
• C) \(- 58\)
• D) \(15 \mathbf { i } - 40 \mathbf { j } - 25 \mathbf { k }\)
• E) \(- 7 \mathbf { i } - 12 \mathbf { j } - 63 \mathbf { k }\)

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