- #1
chupe
- 4
- 0
Homework Statement
(-1)^n/(n)! find the sum from n=0 to n=infinity and do the same for (-1)^n/(2n)! Show all work
Homework Equations
The Attempt at a Solution
First answer is .367876. I just don't know how to expand out (2n)!. I know (n)! is expanded like: 1*1, 1*2, 1*2*3, 1*2*3*4... and etc. However I don't know how the expanded version of (2n)! works.