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Thread: help please simple stuff but got stucked:((

  1. October 27th 2007, 02:32 AM #1
    marikas
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    help please simple stuff but got stucked:((

    i. (1 + e^x)(2 − e^−x)
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  2. October 27th 2007, 03:29 PM #2
    ThePerfectHacker
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    Quote Originally Posted by marikas View Post
    i. (1 + e^x)(2 − e^−x)
    (1+e^x)(2+e^{-x}) = 2 + 2e^{x}+e^{-x}+e^{-x}e^x
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