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

question 28

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

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