Evaluate ( _ x 0 (1- 2x) 3x x^ 3 ).

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Evaluate

\displaystyle \lim_{x\to 0}\frac{(1-\cos 2x)\sin 3x}{x^{3}}

. (a)

12

(b)

3

(c)

6

(d)

4

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