Using the sympygamma link also provided today, we can see why this is: http://www.sympygamma.com/input/?i=series%281%2Fx%2C+x%2C+10000%29 http://www.sympygamma.

Using the sympygamma link also provided today, we can see why this is: http://www.sympygamma.com/input/?i=series%281%2Fx%2C+x%2C+10000%29 http://www.sympygamma.com/input/?i=series%281%2Fx%2C+x%2C+10... Look at the equation and then plug in (-2) for x