I actually get a lot of problems every night for my calc2 class also. I do not ever do them all I do enough until I understand the section of the book. I just got lucky with a teacher that never takes up homework he assigns.
Well lax, you could post some sample problems with your attempted answer and see if other people get your answer. I am in Calc 2, so I do not mind helping you out.
This is the general rule that can be proved for any type of antideravitve of the the natural log function by use of integration by parts.
\int ln{(u)} du = u * (-1 + ln{(u)}) + C