Find ∫exex+1dx\int \frac{e^x}{e^x+1} dx∫ex+1exdx.
1ex+1+C\frac{1}{e^x+1} + Cex+11+C
ln(ex)+C\ln(e^x) + Cln(ex)+C
ex+Ce^x + Cex+C
ln(ex+1)+C\ln(e^x+1) + Cln(ex+1)+C