Which one of the following is the continuity equation in differential form? (The symbols have usual meanings)

\[\frac{A}{dA}+\frac{V}{dV}+\frac{\rho }{d\rho }=\text{constant}\]

\[\frac{dA}{A}+\frac{dV}{V}+\frac{d\rho }{\rho }=\text{constant}\]

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

Which one of the following is the continuity equation in differenti

1.	Which one of the following is the continuity equation in differential form? (The symbols have usual meanings)
A.	\[\frac{dA}{A}+\frac{dV}{V}+\frac{d\rho }{\rho }=\text{constant}\]
B.	\[\frac{dA}{A}+\frac{dV}{V}+\frac{d\rho }{\rho }=0\]
C.	\[\frac{A}{dA}+\frac{V}{dV}+\frac{\rho }{d\rho }=\text{constant}\]
D.	\[AdA+VdA+\rho d\rho =0\]
Answer» C. \[\frac{A}{dA}+\frac{V}{dV}+\frac{\rho }{d\rho }=\text{constant}\]

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Which one of the following is the continuity equation in differential form? (The symbols have usual meanings)

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