Ononot — A vector \mathbf{v} in \mathbb{R}^3 has \|\mathbf{v}\| = 5.

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Vectors & Spaceseasy

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A vector $\mathbf{v}$ in $\mathbb{R}^3$ has $\|\mathbf{v}\| = 5$ . After computing $2\mathbf{v} - \mathbf{v}$ , what is the magnitude of the result?