How do you find the first and second derivative of #y=1/(1+e^x)#?
2 Answers
Explanation:
First derivative is just applying chain rule to
which gives:
For the second derivative we need the quotient rule which states:
Plugging this in we get:
This can be simplified to:
Explanation:
Given that
Differentiating w.r.t.
Differentiating w.r.t.