Which of the Three Series Below Converges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { n }$

Multiple Choice

Which of the three series below converges?
1) $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { n }$
2) $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { n ^ { 1.1 } }$
3) $\sum _ { n = 1 } ^ { \infty } \frac { 1 } { n ^ { 09 } }$

A) 1, 2
B) 1
C) None
D) 3
E) 2
F) 2, 3
G) 1, 2, 3
H) 1, 3