Provide an appropriate response.
-Find the sum of the series $\sum _ { n = 1 } ^ { \infty } \frac { n ^ { 2 } } { n ! }$.
[Hint: Write the series as $\left. 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ^ { 2 } } { n ! } = 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ( n - 1 ) } { n ! } + \sum _ { n = 2 } ^ { \infty } \frac { n } { n ! } . \right]$
A) 3(e - 1)
B) e + 3
C) 4e - 5
D) 2e

Question

Provide an appropriate response.
-Find the sum of the series $\sum _ { n = 1 } ^ { \infty } \frac { n ^ { 2 } } { n ! }$. 
[Hint: Write the series as $\left. 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ^ { 2 } } { n ! } = 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ( n - 1 ) } { n ! } + \sum _ { n = 2 } ^ { \infty } \frac { n } { n ! } . \right]$
A) 3(e - 1)
B) e + 3
C) 4e - 5
D) 2e

Quizplus · Accepted Answer

The Answer of Provide an appropriate response.
-Find the sum of the series $\sum _ { n = 1 } ^ { \infty } \frac { n ^ { 2 } } { n ! }$. 
[Hint: Write the series as $\left. 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ^ { 2 } } { n ! } = 1 + \sum _ { n = 2 } ^ { \infty } \frac { n ( n - 1 ) } { n ! } + \sum _ { n = 2 } ^ { \infty } \frac { n } { n ! } . \right]$
A) 3(e - 1)
B) e + 3
C) 4e - 5
D) 2e

Provide an Appropriate Response ∑n=1∞n2n!\sum _ { n = 1 } ^ { \infty } \frac { n ^ { 2 } } { n ! }∑n=1∞​n!n2​

Provide an Appropriate Response $\sum _ { n = 1 } ^ { \infty } \frac { n ^ { 2 } } { n ! }$