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Math Help - power series

  1. #1
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    power series

    Hi everyone,

    Could someone please tell me if this is correct?

    Int. 0 to .4 ln(1+x^)dx

    int. 0 to .4 (x-x^8/2+x^12/3-x^16/4+x^20/5) dx

    [x^2/2-x^4/18+x^13/26-x^17/68+x^21/105]0 to .4=
    .079986

    Thank you very much
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  2. #2
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    \ln (1+x^4) = x^4 - \frac{x^8}{2}+\frac{x^{12}}{3}-...
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