Use Series to Evaluate the Limit Correct to Three Decimal $$\lim _ { x \rightarrow 0 } \frac { 7 x - \tan ^ { - 1 } 7 x } { x ^ { 3 } }$$

Short Answer

Use series to evaluate the limit correct to three decimal places.
$$\lim _ { x \rightarrow 0 } \frac { 7 x - \tan ^ { - 1 } 7 x } { x ^ { 3 } }$$
Select the correct answer.