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Given u=−3i−2j\mathbf { u } = - 3 \mathbf { i } - 2 \mathbf { j }

Question 36

Multiple Choice

Given u=−3i−2j\mathbf { u } = - 3 \mathbf { i } - 2 \mathbf { j } and v=−i−5j\mathbf { v } = - \mathbf { i } - 5 \mathbf { j } , determine −9u+6v- 9 \mathbf { u } + 6 \mathbf { v } .


A) −9u+6v=21i−12j- 9 \mathbf { u } + 6 \mathbf { v } = 21 \mathbf { i } - 12 \mathbf { j }
B) −9u+6v=27i−21j- 9 \mathbf { u } + 6 \mathbf { v } = 27 \mathbf { i } - 21 \mathbf { j }
C) −9u+6v=−9i−3j- 9 \mathbf { u } + 6 \mathbf { v } = - 9 \mathbf { i } - 3 \mathbf { j }
D) −9u+6v=12i−3j- 9 \mathbf { u } + 6 \mathbf { v } = 12 \mathbf { i } - 3 \mathbf { j }
E) −9u+6v=−3i+3j- 9 \mathbf { u } + 6 \mathbf { v } = - 3 \mathbf { i } + 3 \mathbf { j }

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