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If $\mathbf{u}=(1,3,-2,7) \text { and } \mathbf{v}=(0,7,2,2)$ then the distance between $\mathbf{u}$ and $\mathbf{v}$ is
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If $$\mathbf{u}=(1,3,-2,7) \text { and } \mathbf{v}=(0,7,2,2)$$ then the distance between $\mathbf{u}$ and $\mathbf{v}$ is $$d(\mathbf{u}, \mathbf{v})=\sqrt{(1-0)^{2}+(3-7)^{2}+(-2-2)^{2}+(7-2)^{2}}=\sqrt{58}$$
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