You should write a clear and concise explanation for your assignments.

• You should always provide justification or working for any results that you obtain unless these results are trivial.
• When you apply a theorem, state the theorem and make sure you check and state if all conditions of the theorem are satisfied before using it.
• You should avoid giving unnecessary detail or irrelevant information.

Choose the best solution for the following question.

𝐮=⎛⎝⎜⎜201⎞⎠⎟⎟and𝐯=⎛⎝⎜⎜−310⎞⎠⎟⎟.\begin{equation*}\mathbf{u}=\begin{pmatrix}2\\0\\1\end{pmatrix}\, \mbox{and}\, \mathbf{v}=\begin{pmatrix}-3\\1\\0\end{pmatrix}.\end{equation*}