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Math Help - Check whether the following series is absolutely or conditionally convergent

  1. #1
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    Check whether the following series is absolutely or conditionally convergent

    ∑((n*sin(n))/(2+n^4+n))


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    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by sthato View Post
    ∑((n*sin(n))/(2+n^4+n))


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    \frac{n\sin(n)}{2+n^4+n}<\frac{n}{2+n^4+n}
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    Hello,

    Since the sign is not always the same, due to sin(n), take the absolute value
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