F(q_1,...,q_n,t)(adsbygoogle = window.adsbygoogle || []).push({});

[tex]

\frac{d}{dt}\frac{\partial}{\partial \dot{q}} \frac{dF}{dt} = \frac{\partial}{\partial q} \frac{dF}{dt}

[/tex]

what's the theorem that says partial and ordinary derivatives are mixed?

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# Theorem that says partial and ordinary derivatives are mixed?

**Physics Forums | Science Articles, Homework Help, Discussion**