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enter image description hereHow would I go about finding the sum of this?

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Use partial fractions to split the terms into a telescopic series.
Terms will get cancelled out and you will remain with the answer.

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HINT:

$$\frac2{r^2-1}=\frac{r+1-(r-1)}{(r+1)(r-1)}=\cdots$$

Set a few initial values of $n$ to identify the Telescoping Series

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