# Math Help - Definite Integration Problem

1. ## Definite Integration Problem

Solve:

$
\int\limits_{0}^{\infty} e[-(x+y)]dy
$

2. Originally Posted by Stats
Solve:

$
\int\limits_{0}^{\infty} e[-(x+y)]dy
$
1. Do you mean $\int\limits_{0}^{\infty} e^{-(x+y)} \, dy$ ?

2. Is $x$ meant to be treated as a constant?

3. It might be better if you post the original question rather than you're expurgated version of it.