- 57
- 0
[tex] \int \frac{\(x+9}{x^2+9} dx [/tex]
I am not sure where to start. I have a feeling that I need to subsitute twice, but I just don't know what to use first. Any help is appreciated.
I am not sure where to start. I have a feeling that I need to subsitute twice, but I just don't know what to use first. Any help is appreciated.