Use Maclaurin series to evaluate _ x 0 (3x) - 1 2x^2 .

MATHEMATICS · Subjective · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

Use Maclaurin series to evaluatelim⁡x→0cos⁡(3x)−12x2.\lim_{x \to 0} \frac{\cos(3x) - 1}{2x^2}.

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