(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find derivative of function: [tex]f\left(x\right)=\frac{1}{1+e^{x}}[/tex]

2. Relevant equations

quotient rule.

3. The attempt at a solution

hopefully this is the solution:

[tex]f^{'}\left(x\right)=\frac{e^{x}}{(1+e^{x})^{2}}[/tex]

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Is this derivative correct?

**Physics Forums | Science Articles, Homework Help, Discussion**