Here is the question:
I have posted a link there to this thread so the OP can view my work.Integrate (3x + 2)/(x^2+3x+1) dx?
Please tell me the name of the way you did it, for ex. Start with integration by parts, or substitution.
I got to the Integral of 1-(3u+2)/(u^2+3u+1)du where u = tanx