Wikipedia:Sandbox

{{}}Failed to parse (unknown function "\m"): {\displaystyle nu = \frac{1}{2} \pi c} \sqrt{\frac{k}{\m}}}

$\nu =\frac{1}{2\pi c}\sqrt{\frac{k}{\mu }}$

$\nu =\frac{1}{2\pi c}\sqrt{\frac{k}{m}}$

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