\vec{w}\}, \text { then write the orthogonal } \text { projection of } \vec{x}=(2,3,1,7) \text { as a linear combination of } \vec{u} \cdot \vec{v}, \text { and } \vec{w} \text { . } \operatorname{proj}(\vec{x})=---\vec{u}+---\vec{v}+---\vec{w}
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