MathsJEE Main 28 Jan 2026, Shift 2·Q21·Numerical·Moderate

Sequences & Series · Telescoping series sum

\displaystyle\sum_{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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