Find the Value of the Limit $$\lim _ { x \rightarrow 0 } 3 \frac { \tan 4 x - 4 x } { x ^ { 3 } }$$

Short Answer

Find the value of the limit.
$$\lim _ { x \rightarrow 0 } 3 \frac { \tan 4 x - 4 x } { x ^ { 3 } }$$