Express 2log(x)+log(y)−12log(z)2\log(x) + \log(y) - \frac{1}{2}\log(z)2log(x)+log(y)−21log(z) as a single logarithm.
log(x2yz)\log(\frac{x^2 y}{\sqrt{z}})log(zx2y)
log(xy2z)\log(\frac{x y^2}{\sqrt{z}})log(zxy2)
log(2xyz)\log(\frac{2xy}{\sqrt{z}})log(z2xy)
log(x2y/z)\log(\sqrt{x^2 y / z})log(x2y/z)