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October 25, 2014

Posts by 008


Total # Posts: 2

Math
I solved it ! but I have different solution!! f''(x) =[ (-e^-x)(1+2e^-x) ] / [1-e^-x]^4
February 3, 2013

Math
What is the second derivative for [f(x) = 1/(1+e^-x)]?
February 3, 2013

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