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Math Help - how do you solve series?!

  1. #1
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    how do you solve series?!

    How would you go about finding the first few terms in the following series??

    \sum_{i=0}^{\infty}\frac{x^i}{i!}=e^x
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  2. #2
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    Quote Originally Posted by booooostats View Post
    How would you go about finding the first few terms in the following series??

    \sum_{i=0}^{\infty}\frac{x^i}{i!}=e^x
    plug in i=0, i=1, i=2

    the first 3 terms are

    1, x, \frac{x^2}{2}
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