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If u=3i+6j\mathbf { u } = - 3 \mathbf { i } + 6 \mathbf { j }

Question 160

Multiple Choice

If u=3i+6j\mathbf { u } = - 3 \mathbf { i } + 6 \mathbf { j } and v=6i+5j\mathbf { v } = - 6 \mathbf { i } + 5 \mathbf { j } , find w=3u+5v\mathbf { w } = 3 \mathbf { u } + 5 \mathbf { v } .


A) w=39i+43j\mathbf { w } = - 39 \mathbf { i } + 43 \mathbf { j }
B) w=33i+43j\mathbf { w } = - 33 \mathbf { i } + 43 \mathbf { j }
C) w=27i+55j\mathbf { w } = - 27 \mathbf { i } + 55 \mathbf { j }
D) w=39i+45j\mathbf { w } = - 39 \mathbf { i } + 45 \mathbf { j }
E) w=16i12j\mathbf { w } = 16 \mathbf { i } - 12 \mathbf { j }

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