Derivative of Sigmoid and its Proof

Thanks for your information.

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Hello @Ahmad_Khalid1,

\frac{1}{\text{something}} = \text{something}^{-1}. You wrote \text{something}^{+1}.

Raymond

Yeah You’re right. my bad.

There is little mistake in first step 1/(1+e^(-x))=(1+e^(-x))^-1. Please make a correction iin first step.