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Solve the Problem u=⟨−3,5⟩\mathbf { u } = \langle - 3,5 \rangle

Question 411

Multiple Choice

Solve the problem.
-If u=⟨−3,5⟩\mathbf { u } = \langle - 3,5 \rangle and v=⟨4,−8⟩\mathbf { v } = \langle 4 , - 8 \rangle , evaluate u⋅(5v) \mathbf { u } \cdot ( 5 \mathbf { v } )


A) −265- 265
B) −257- 257
C) −260- 260
D) −188- 188

Correct Answer:

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