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Solve the Problem u=⟨−5,7⟩,v=⟨−4,6⟩\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle

Question 82

Multiple Choice

Solve the problem.
-If u=⟨−5,7⟩,v=⟨−4,6⟩\mathbf { u } = \langle - 5,7 \rangle , \mathbf { v } = \langle - 4,6 \rangle , and w=⟨−11,2⟩\mathbf { w } = \langle - 11,2 \rangle , evaluate u⋅(v−w) \mathbf { u } \cdot ( \mathbf { v } - \mathbf { w } ) .


A) −3- 3
B) −7- 7
C) −12- 12
D) 20

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