2-26 Determine se as séries são absolutamente convergentes (...

2-26 Determine se as séries são absolutamente convergentes (AC), condicionalmente convergentes (CC) ou divergentes (D).

2. ∑_{n=1}^{∞} n²/2ⁿ
3. ∑_{n=1}^{∞} (-10)ⁿ/n!
4. ∑_{n=1}^{∞} (-1)ⁿ/n⁴
5. ∑_{n=1}^{∞} (-1)ⁿ+¹/√[4]{n}
6. ∑_{n=1}^{∞} (-1)ⁿ-¹ 2ⁿ/n⁴
7. ∑_{n=1}^{∞} e^{-n}n!
8. ∑_{n=1}^{∞} (-1)ⁿ(1,1)ⁿ/n⁴
9. ∑_{n=1}^{∞} (-1)ⁿ(n-1)n/n²+1
10. ∑_{n=1}^{∞} (-1)ⁿ e^{1/n}/n³
11. ∑_{n=1}^{∞} sin(4n)/4ⁿ
12. ∑_{n=1}^{∞} (-1)ⁿ(n+1)n²²ⁿ/n!
13. ∑_{n=1}^{∞} (-1)ⁿ arctan n/n²
14. ∑_{n=1}^{∞} 3-cos n/n²/3-2
15. ∑_{n=1}^{∞} 2·4·6·...·2n/n!