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**$e^x / Sqrt[1-e^[2x]] (An integral with e^x div by algebraic expressions)(Scan paper)**

## Homework Statement

Ok I will try my best to write this with digital characters: $e^x / Sqrt[1-e^[2x]]

You will see the problem attached on an image below for more details.

e^x is present

## Homework Equations

When I do a variable switch, I recalled a famous arcsin formula (also listed below on my scanned paper)

## The Attempt at a Solution

See the picture below

[PLAIN]http://img839.imageshack.us/img839/2892/img0003001.jpg [Broken]

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