Please help with the following calculus question:

5. (6 points) Determine whether each of the following series is conditionally convergent, abso- lutely convergent or divergent 1 (a) (2 points) n=1 n + n sin-(n) (b) (2 points) n n2 n+ 1 n=1 8 (c) (2 points) (-1)" In(n) n=2 n'tn