Integration question

1. Sep 9, 2010

alicia.kostka

1. The problem statement, all variables and given/known data

can someone please tell me how to integrate 2$$\pi$$xe$$^{-4x}$$

2. Relevant equations

(the Pi is not supposed to be superscript, don't know why it looks that way)

3. The attempt at a solution

2. Sep 9, 2010

vela

Staff Emeritus
Use integration by parts.