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Mathematics
Mathematics
Problem
Evaluate
lim
n
→
∞
∑
r
=
1
n
r
2
r
3
+
n
3
\lim_{n \to \infty} \sum_{r=1}^{n} \frac{r^2}{r^3 + n^3}
lim
n
→
∞
∑
r
=
1
n
r
3
+
n
3
r
2
.
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