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A) 6ij+26k6 \mathbf { i } - \mathbf { j } + 26 \mathbf { k }

Question 60

Multiple Choice

 Given u=i+3j and v=8i+j+k, find u×v\text { Given } \mathbf { u } = \mathbf { i } + 3 \mathbf { j } \text { and } \mathbf { v } = - 8 \mathbf { i } + \mathbf { j } + \mathbf { k } \text {, find } \mathbf { u } \times \mathbf { v } \text {. }


A) 6ij+26k6 \mathbf { i } - \mathbf { j } + 26 \mathbf { k }
B) 3i+j+24k3 \mathbf { i } + \mathbf { j } + 24 \mathbf { k }
C) 3ij+25k3 \mathbf { i } - \mathbf { j } + 25 \mathbf { k }
D) 4i+j25k4 \mathbf { i } + \mathbf { j } - 25 \mathbf { k }
E) 3ij25k3 \mathbf { i } - \mathbf { j } - 25 \mathbf { k }

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