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

Use the vectors $\mathbf { u } = \langle 2,2 \rangle$ , $\mathbf { v } = \langle - 2,2 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.​ $3 \mathbf { u } \cdot \mathbf { v }$ ​

A) $\langle 0,2 \rangle$ ;vector
B) -2;scalar
C) 2;scalar
D) $\langle 4 , - 4 \rangle$ ;vector
E) 0;scalar

Correct Answer:

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