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Math Help - how do i find the error in power series

  1. #1
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    how do i find the error in power series

    i noe that
    arctanx= x - 1/3x^3 + 1/5x^5 - 1/7x^7 + 1/9x^9, using the taylor series
    and when i put x =1 i get 3.33968, but how do i find the error
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  2. #2
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    Re: how do i find the error in power series

    Quote Originally Posted by newkidz View Post
    i noe that
    arctanx= x - 1/3x^3 + 1/5x^5 - 1/7x^7 + 1/9x^9, using the taylor series
    and when i put x =1 i get 3.33968, but how do i find the error
    repost of an assessment question from an earlier thread.
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