Hi,
Just to add my two cents, if the series terms are (n^2+1)/(n^5-3), I would think it would be easier to compare this to the series with terms 1/n^2 or in fact 1/n^r for any r, 1<r<3. And I would have a hard time marking them wrong if they did so.
Arnie
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A question about custom answer checkers
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