Integrate Sqrt[ ex+1]
2. The attempt at a solution
I first multiplied the equation by e^x / e^x, then tried substitution, with
u = e^x + 1
du = e^x dx
This gave me: Integral 1/(u-1) * (u)^1/2 du
However, I'm stumped at this part. Substitution here doesn't seem like it would work.