Evaluate ∫x+1x2+2x+2dx\int \frac{x+1}{x^2+2x+2} dx∫x2+2x+2x+1dx.
12ln(x2+2x+2)+C\frac{1}{2}\ln(x^2+2x+2) + C21ln(x2+2x+2)+C
ln(x2+2x+2)+C\ln(x^2+2x+2) + Cln(x2+2x+2)+C
arctan(x+1)+C\arctan(x+1) + Carctan(x+1)+C
None