Question: Q2.1 Sigmoid function (5pt) The sigmoid function is S(x)=1/1+exp(?x) Find the firstderivative and second derivative of ?(x) . Please express thesederivatives in terms of ?(x)

Q2.1 Sigmoid function (5pt)

The sigmoid function is S(x)=1/1+exp(?x) Find the firstderivative and second derivative of ?(x) . Please express thesederivatives in terms of ?(x) .

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