Practice problem
Find the limit limn→∞∑k=1n9k2n3\lim_{n\to\infty} \sum_{k=1}^{n}\frac{9k^2}{n^3}limn→∞∑k=1nn39k2 (as the positive integer nnn tends to infinity).
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Type a concept, like “slope” or “photosynthesis”.
