Tentukan nilai dari limx→0 x2tan4xx−xcos4x!\lim\limits_{x\rightarrow0}\ \frac{x^2\tan4x}{x-x\cos4x}!x→0lim x−xcos4xx2tan4x!
45\frac{4}{5}54
23\frac{2}{3}32
18\frac{1}{8}81
14\frac{1}{4}41
12\frac{1}{2}21