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

Multiple Choice

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.
$\left( \mathbf { v } ^ { * } \mathbf { u } \right) - \left( \mathbf { w } ^ { \cdot } \mathbf { v } \right)$

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