What is the General Term for an Expansion?

[c00ky]

Hi guys, can anybody solve the following problem?

http://putfile.com/pic.php?pic=main/8/22412435578.jpg&s=f10"

 

[Integral]

Please show us that you have put some effort into this porblem.

 

[c00ky]

Ok, i got this far:

http://putfile.com/pic.php?pic=main/8/22414282061.jpg&s=f10

This (i hope) is the 4 terms, i do not know what to do after this.