Question 1062323

Hi, please help me turn this series into summation notation. Thank you in advance.

1. 2!/7 + 3!/14 + 4!/21 + ... + (n-1)!/7n

2. {{{ -1/5 + 8/25 - 27/125 + 64/625 }}}


1.	 {{{sum((n + 1)!/(7n), n = 1, infinity)}}}


2.	 {{{sum(((- 1)^n * n^3)/(5^n), n = 1, 4)}}}