Answer
$= \ln 3 + 4\ln x + 3\ln y- \ln z$
Work Step by Step
$= \ln \frac{3x^{4}y^{3}}{z}$
$= \ln (3x^{4}y^{3}) - \ln z$
$= \ln 3 + \ln x^{4} + \ln y^{3}- \ln z$
$= \ln 3 + 4\ln x + 3\ln y- \ln z$
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