The contiunity equation is given as:(adsbygoogle = window.adsbygoogle || []).push({});

[tex] ln(\rho) + ln(A) + ln(V)=constant[/tex]

"Differentiating Eq. 11.43 we get:

[tex]\frac{d\rho}{\rho}+ \frac{dA}{A} +\frac{dV}{V}=0[/tex]

My question is, what is this differentiated with resepctto?

Its clearly not [tex]\rho[/tex], A or V alone.

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# The contiunity equation and differentiation

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