Question

Is the series s_n convergent?

Answer 1

\[\huge \sum_n a_n \text{ where }a_n =(-1)^{n+1}(\frac{ n! }{ n^n })\]

Answer 2

the ratio test will give an answer as \(\frac{1}{e}\) if im not wrong. have u tried it yet?

Answer 3

yes but i used comparıson mot ratıo test

Answer 4

ratio test will work fine :) try it once.

Answer 5

yes 1/e yeah thanks