Use the Vectors $\mathbf { u } = \langle 2,4 \rangle$

Use the vectors $\mathbf { u } = \langle 2,4 \rangle$ , $\mathbf { v } = \langle - 5,3 \rangle$ and $\mathbf { w } = \langle 3 , - 1 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.​ $\left( \mathbf { v } ^ { . } \mathbf { u } \right) - \left( \mathbf { w } ^ { . } \mathbf { v } \right)$ ​

A) 16;scalar
B) $\langle 24,16 \rangle$ ;vector
C) $$\langle 0,20 \rangle$$ ;vector
D) 22;scalar
E) 20;scalar

Correct Answer:

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