CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals

Problem

Evaluate lim⁡n→∞∑i=1n3n ∣3in−1∣\displaystyle \lim_{n\to\infty}\sum_{i=1}^{n}\frac{3}{n}\,\Bigl|\frac{3i}{n}-1\Bigr|. (a) 72\dfrac{7}{2} (b) 32\dfrac{3}{2} (c) 52\dfrac{5}{2} (d) 2

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