Use series to evaluate the limit correct to three decimal place.

$\underset{x0}{lim}\frac{7x-ta{n}^{-1}7x}{x^3}$

select the correct answer.

a$.118\mathrm{.}933$

b$.114\mathrm{.}133$

c$.34,3233$

d$.114\mathrm{.}333$

c$.115\mathrm{.}933$