Ok so this is the problem that I am working on.

http://img72.imageshack.us/img72/374...edownloadi.jpg

I have completed parts 1 and 2, which involve the changing of variables, but the problem I am having is finding one solution of the original DE.

This is the answer I got for part one is

http://img641.imageshack.us/img641/6483/42798846.jpg

The answer for part 2 is

http://img231.imageshack.us/img231/5672/70900969.jpg

I am sorry that I am using print screens, I am just not very good at using LateX and this was quicker.