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Question 3.2.5: Let v = [ 3 4 ] and u = [ 1 2 ]. Find the standard matrix of...

Let \vec{v} =\left[\begin{matrix}3\\4\end{matrix} \right]and  \vec{u} = \left[\begin{matrix}1\\2\end{matrix} \right]. Find the standard matrix of the mapping proj_{\vec{v}} : \R² → \R² and use it to find proj_{\vec{v}}  \vec{u}.

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