Differentiating $y^n=f(x)$: $n\,y^{n-1}\,dy=f'(x)\,dx$ in the function field of a Kummer cover

Initializing...

Differentiating $y^n=f(x)$: $n\,y^{n-1}\,dy=f'(x)\,dx$ in the function field of a Kummer cover · Prove2Me