If p is a function of x which is a function of t and you evaluate delta_p/delta_t as(adsbygoogle = window.adsbygoogle || []).push({});

delta_t goes to zero, it should be possible that delta_p/delta_t equals delta_p/dx

(or dp/dx) before reaching dp/dt.

Is it possible to find an expression for t where this happens?

Hm.. maybe when t = x^-1(dx) ?

Is it possible to find dp/dt for that t?

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# I Function of function derivative

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