1. May 13, 2010

### Je m'appelle

I just need to understand the following

$$\int f(x,y) \partial y\ is\ solvable\ for\ 'y'\ as\ the\ variable\ and\ 'x'\ as\ a\ constant\ while,$$

$$\int f(x,y) dy\ is\ impossible\ to\ solve.$$

Is this correct? If so, could anyone please provide me with evidence for this?