# Integral with exponential function

1. May 26, 2010

### matteo86bo

Hi everyone,
here is this integral I can't find solution:

$$\int_0^\infty \frac{x e^{-x}}{A+Bx} dx$$

A and B are constants.

I'm going crazy, I don't think there is even an analytical solution.

2. May 26, 2010