\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Calculate the product of the vector \(\vec{u} = \begin{pmatrix} 0 \\ 6 \end{pmatrix}\) by \(-2\).
\(-2\vec{u} =\begin{pmatrix} \input{124572}{}{3em}{2em}{}{}\\ \input{224572}{}{3em}{2em}{}{}\\ \end{pmatrix} \)