If the rth term tr of a series is given by tr=rr4+r2+1 then limn→∞ – InterviewSolution

1.	If the rth term tr of a series is given by tr=rr4+r2+1 then limn→∞∑nr=1tr is
Answer» If the $r^{th}$ term $t_{r}$ of a series is given by $t_{r} = \frac{r}{r^{4} + r^{2} + 1}$ then $lim n \to \infty \sum_{r = 1}^{n} t_{r}$ is

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