Find the Triple Scalar Product $\mathbf { u } \cdot ( \mathbf { v } \times \mathbf { w } )$

question 48

Multiple Choice

Find the triple scalar product $\mathbf { u } \cdot ( \mathbf { v } \times \mathbf { w } )$ for the vectors $\mathbf { u } = - \mathbf { i } + 2 \mathbf { j } + \mathbf { k } , \mathbf { v } = 7 \mathbf { i } + 8 \mathbf { j } + 3 \mathbf { k } , \mathbf { w } = 4 \mathbf { i } + 7 \mathbf { j } - 3 \mathbf { k }$

• A) 75
• B) 128
• C) \(- 128\)
• D) \(- 4\)
• E) 0

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