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Basically I'm struggling with convergence and divergence of series.

I can see if converges and diverges by common sense and thinking through in my head but I struggle to write it down. The definitions in books seem confusing.

Are there any steps I can systematically do every time which will help me determine on paper if the said series div. or conv.?

For example a basic typical question in my course is like the following:

as n ---> infinity

[itex]\sum[/itex] (n^2 - 1) / (n^4 + 1)

Some detailed exlanation in basic language would be greatly appreciated

Regards

Tam

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# Convergance and Divergence Could someone go over a routine to help determine them?

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