Mean-value theorem

[Qitan Cui]

Here we integrate over V. Is this V the same as omega? And do we know if the coefficient c in G(x,y) is positive or negative? Thanks!

[Victor Ivrii]

Here we integrate over V. Is this V the same as omega? And do we know if the coefficient c in G(x,y) is positive or negative? Thanks!

Yes, should be $\Omega$. No idea what coefficient your are talking about