List of top Mathematics Questions on types of differential equations asked in COMEDK UGET

Which of the following transformations reduce the differential equation
\[ \frac{dz}{dx} + \frac{1}{x} \log z = \frac{1}{x^2} (\log z)^2 \] into the form \[ \frac{du}{dx} + P(x)\,u = Q(x) \] ?