For n∈N, which of the following is true?
1. √n+1−√n>1√n for all, except possibly finitely many n
2. √n+1−√n<1√n for all, except possibly finitely many n
3. √n+1−√n>1 for all, except possibly finitely many n
4. √n+1−√n>2 for all, except possibly finitely many n