Use the Ratio Test to determine whether the series is convergent or divergent. ∑ n=1
[infinity]
​
n 2
(−6) n
Identify a n
. Evaluate the following limit. lim n→[infinity]
​∣
∣
​a n
​a n
​ +1
​
∣
∣
​ Since lim n→[infinity]
​∣
∣
a n
​a n+1
​∣
∣
1,