The value of \int {dx}/{ (1 + e^{x}) (1 + e^{−x}) } is equal to:

Correct Answer is : −1(1+ex)+c

−\frac{1}{ (1 + e^{−x}) } + c

AAI ATC Junior Executive 2016 Shift 2 Paper

Question : 66 of 120

Marks: +1, -0

The value of

∫ \;{dx}/{ (1 + e^{x}) (1 + e^{−x}) }

is equal to:

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