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Solve the Problem u=−9i−2j\mathbf { u } = - 9 i - 2 \mathbf { j }

Question 233

Multiple Choice

Solve the problem.
-If u=−9i−2j\mathbf { u } = - 9 i - 2 \mathbf { j } and v=−3i+7j\mathbf { v } = - 3 \mathbf { i } + 7 \mathbf { j } , find u−v\mathbf { u } - \mathbf { v } .


A) −6i−9j- 6 i - 9 j
B) −7i+5j- 7 i + 5 j
C) −8i+5j- 8 i + 5 j
D) −12i+5j- 12 \mathrm { i } + 5 \mathrm { j }

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