A ak27 New member Joined Mar 12, 2019 Messages 1 Mar 12, 2019 #1 how to make e^-x/(1+e^-x)2 into 1/(1+e^-x) * [1 - 1/(1+e^-x)]?

mmm4444bot Super Moderator Staff member Joined Oct 6, 2005 Messages 10,273 Mar 12, 2019 #2 Hello. Please read the forum's submission guidelines. Thank you!

Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 3,595 Mar 12, 2019 #3 Try taking it in reverse. How would you simplify \(\displaystyle \frac{1}{1+e^{-x}} \cdot \left[1 - \frac{1}{1+e^{-x}}\right] \)?

Try taking it in reverse. How would you simplify \(\displaystyle \frac{1}{1+e^{-x}} \cdot \left[1 - \frac{1}{1+e^{-x}}\right] \)?