Evaluate .
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Originally Posted by icemanfan Evaluate .
Correct?
Originally Posted by icemanfan Correct? You lost an x and your e should be to the positive power.
Originally Posted by dwsmith You lost an x and your e should be to the positive power. Nah it's right I think. Someone show me how the two answers we have given are equiv though..?
Last edited by Deadstar; Apr 12th 2010 at 05:29 PM.
Originally Posted by Deadstar Nah it's right I think. Someone show me how the two answers we have given are equiv though..? Yeah they are equivalent. I checked them in Maple; however, I have no idea how to show that they are.
Originally Posted by Deadstar Nah it's right I think. Someone show me how the two answers we have given are equiv though..? -ln(1-e^-x) = -ln(1 - 1/e^x) = -ln[(e^x - 1)/e^x] = -[ln(e^x - 1) - lne^x] = x- ln(e^x - 1)
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