The series is absolutely convergent. c. the series converges, but is not absolutely convergent. d. the series diverges. a 1. ∑n=1[infinity](−1)n+1(9+n)4n(n2)42n a 2. ∑n=1[infinity](n42−6n3)n a 3. ∑n=1[infinity](n+1)n5n2 c 4. ∑n=1[infinity](n+1)n5n a 5. ∑n=1[infinity](−1)nn−2ln(n+6) c 6. ∑n=1[infinity](−5n)nn5n