How to integrate $e^{f(x)}$ where $f(x) = -3x$

How to integrate $e^{f(x)}$ where $f(x) = -3x$ [closed]

I'm looking to integrate this:

$\int e^{-3x} \mathrm{d}x.$

Is there any formula for $e^{f(x)}$ ? Is there a website/reference with the most common integral formulas?

Thanks for you help

edited Jan 28 2011 at 15:51

asked Jan 28 2011 at 15:35

Pacane
1●1

This is not the right forum for such questions, this forum is aimed for research and graduate-level questions. For your question, try wolframalpha. (The answer is -1/3 e^(-3x)). – Per Alexandersson Jan 28 2011 at 15:38

This is not a research-level question, it belongs on another site like mathstackexchange. – Adam Hughes Jan 28 2011 at 15:39

Thanks and sorry for disturbing. – Pacane Jan 28 2011 at 15:51

closed as too localized by Andrey Rekalo, Tim Perutz, Steven Gubkin, Alex Bartel, Francesco Polizzi Jan 28 2011 at 15:53

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