Evaluate ∫$$11+e$$−xdx

Correct option is 3log⁡1+ex+C

Questions

$Evaluate \int \frac{1}{1 + e^{- x}} d x$

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detailed solution

Correct option is C

∫11+e−xdx=∫exex+1dx=∫ddxex+1ex+1dx=log⁡1+ex+C

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Evaluate ∫11+e−xdx

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$Evaluate \int \frac{1}{1 + e^{- x}} d x$