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Math Help - Integral help please???

  1. #1
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    Integral help please???

    I can't seem to solve this seemingly simple integral. It's probably easy but I don't see it. Anyone care to try? Thanks.

    Integral of (e^x)*(e^(e^x)) dx
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  2. #2
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    let u = e^x

    du = e^x \, dx

    \int e^x \cdot e^{e^x} \, dx

    substitute ...

    \int e^u \, du

    now finish.
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  3. #3
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    Oh, thanks.

    I feel stupid now. Lol.
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