# Derivative of 1-e^2x?

1. Sep 24, 2007

### erjkism

derivative of 1-e^2x????

derivative of 1-e^2x????

i know that the answer is -2e^2x but i have no idea how to get there

2. Sep 24, 2007

What does the "Chain Rule" say about taking derivatives?

hint: it says $$\frac{d}{dx}[e^u]=e^u*\frac{du}{dx}$$

Last edited: Sep 24, 2007
3. Sep 24, 2007

### erjkism

im not even sure if this requires the chain rule... could someone just show me what i need to do because im really stuck.

4. Sep 24, 2007

The chain rule does just show you what to do. And so did I.

Casey

5. Sep 24, 2007

### erjkism

thanks i got it now.

6. Sep 24, 2007

What if it were just $$1-e^u$$ What is the derivative?