Distance between (-2,2,6) and (4,-1,2)?

Distance between (-2,2,6) and (4,-1,2)?
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Killaninl2
The distance between two points $\left({x}_{1},{y}_{1},{z}_{1}\right)$ and $\left({x}_{2},{y}_{2},{z}_{2}\right)$ is given by
$\sqrt{{\left({x}_{2}-{x}_{1}\right)}^{2}+{\left({y}_{2}-{y}_{1}\right)}^{2}+{\left({z}_{2}-{z}_{1}\right)}^{2}}$
Hence distance between (-2,2,6) and (4,-1,2) is
$\sqrt{{\left(4-\left(-2\right)\right)}^{2}+{\left(\left(-1\right)-2\right)}^{2}+{\left(2-6\right)}^{2}}$
$\sqrt{{6}^{2}+{3}^{2}+{4}^{2}}=\sqrt{36+9+16}=\sqrt{61}=7.81$