Summation p+q (Jee Mains)

Advanced Series

Medium

Summation p+q

If $\sum\limits_{r\; = \;1}^{25} {\left( {\frac{r}{{{r^4} + {r^2} + 1}}} \right)}$ = $\frac{p}{q}$ , where p and q are positive integers such that gcd (p, q) = 1, then p + q is equal to _____.

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