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Homework Statement
integral of 2/((e^(-x))+1)
Homework Equations
how do you do this?
The Attempt at a Solution
no freaking clue! this is the BS i came up with
2(x-ln(e^-x + 1) + C)
You can rewrite the integrand and then use a simple substitution. Hint: multiply the numerator and denominator by e^x and then simplify.