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Thread: Convergence 61.14

  1. October 25th 2009, 09:33 PM #1
    tigergirl
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    Convergence 61.14

    Give an example of a sequence {xn} that diverges but {abs(xn)} converges.
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  2. October 26th 2009, 04:49 AM #2
    Krizalid
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    many of them, for example pick x_n=\frac{(-1)^nn}{2n+1}.
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« Integration by parts | show how the derivative reduces... »

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