Answer
$2\log x+\log y-\log z$
Work Step by Step
We can expand $ \log(\frac{x^{2}y}{z})$ to get:
$\log(\frac{x^{2}y}{z})=\log(x^{2}y)-\log z=\log x^{2}+\log y-\log z=2\log x+\log y-\log z$
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