Which of the Following Series Converges?
1) $\sum _ { n = 1 } ^ { \infty } n ^ { - n }$

question 188

Multiple Choice

Which of the following series converges?
1) $\sum _ { n = 1 } ^ { \infty } n ^ { - n }$
2) $\sum _ { n = 1 } ^ { \infty } e ^ { 100 - n }$
3) $\sum _ { n = 1 } ^ { \infty } \frac { n ^ { n } } { n ! }$

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

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