# What is the distance between (9,0,1) and (1,-4,-2)?

What is the distance between (9,0,1) and (1,-4,-2)?
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Seromaniaru
The distance formula (9,0,1) and (1,−4,−2)
$d=\sqrt{{\left({x}_{2}-{x}_{1}\right)}^{2}+{\left({y}_{2}-{y}_{1}\right)}^{2}+{\left({z}_{2}-{z}_{1}\right)}^{2}}$
$d=\sqrt{{\left(9-1\right)}^{2}+{\left(0--4\right)}^{2}+{\left(1--2\right)}^{2}}$
$d=\sqrt{\left({8}^{2}+{4}^{2}+{3}^{2}\right)}$
$d=\sqrt{89}$