Question

Does the following series and sequence converge or diverge? Calling on all mathematicians! HARD QUESTION! PROVE YOUR SKILLZ

Answer 1

Wait I will post question

Answer 2

\[\lim_{n \rightarrow \infty} \frac{ 2 + (-1)^{n} }{ n}\]

Answer 3

1) Solve that as if it were a sequence
2) Solve it as if it was a series