$\displaystyle \left. \frac{d} {dx} \left \{\frac{x ^ {4} (x-1)} {(x+2) \left (x ^ {2} +1 \right)} \right \} \right | _ {x=2}$ 의 값은?

• ①$\displaystyle \frac{16} {25}$
• ②$\displaystyle \frac{11} {5}$
• ③$\displaystyle \frac{19} {25}$
• ④$\displaystyle \frac{39} {25}$