AP

MATHEMATICS · Single correct · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Evaluate lim⁡n→∞∑k=1n(3+6kn)(6n)\displaystyle \lim_{n\to\infty}\sum_{k=1}^{n}\left(3+\dfrac{6k}{n}\right)\left(\dfrac{6}{n}\right). (a) 1818 (b) 5454 (c) 3636 (d) 2121

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