Recent content by fumoffu

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    Integrating e^(-3x) with u-Substitution

    nevermind, stupid post. i got it.. :D
  2. F

    Integrating e^(-3x) with u-Substitution

    Homework Statement before we start, i don't know how to do the integral sign, so we'll use [ I need to integrate [ e^(-3x) / 1 + e^(-3x) Homework Equations I've always had trouble with doing integration with e The Attempt at a Solution I used u=1+e^(-3x) du = -3e^(-3x)...