f(x)= (e^x +1)^2

I am not sure how to find the derivative of this one!

Do I (e^x +1)(e^x +1)?

Thanks in advance!

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- Dec 16th 2010, 10:52 AMadvancedfunctions2010derivative of the function y=e^x
f(x)= (e^x +1)^2

I am not sure how to find the derivative of this one!

Do I (e^x +1)(e^x +1)?

Thanks in advance! - Dec 16th 2010, 10:55 AMsnowtea
Use the chain rule.

du^2/dx = 2u du/dx

Where u = e^x + 1 - Dec 16th 2010, 12:29 PMjanvdl
- Dec 16th 2010, 12:34 PMHallsofIvy
Or simply use the chain rule as snowtea suggested: