Find the projection of $\begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}$ onto the plane $3x - y + 4z = 0.$
Question:
Find the projection of $\begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}$ onto the plane $3x - y + 4z = 0.$
Answer:
Let's think step by step.

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\begin{pmatrix} -1/2 \\ 5/2 \\ 1 \end{pmatrix}
Find the projection of $\begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}$ onto the plane $3x - y + 4z = 0.$
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