$\displaystyle \sum_{n=1}^{\infty} \frac{n^{2}-1}{3n^{4}+1}$

I'm kind of struggling just figuring out what method to use. Could anyone nudge me in the right direction?

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- May 10th 2010, 11:38 AMDarrenMConv/Div Series: What method?
$\displaystyle \sum_{n=1}^{\infty} \frac{n^{2}-1}{3n^{4}+1}$

I'm kind of struggling just figuring out what method to use. Could anyone nudge me in the right direction? - May 10th 2010, 11:40 AMGeneral
**What about the limit comparison test with a p-series .. ?!!**

**What about the basic comparison test ... ?!!**