$\int (x^3 - \frac{2}{x^3} + 5) dx$ belirsiz integralinin sonucu aşağıdakilerden hangisidir?
A) $\frac{x^4}{4} + \frac{1}{x^2} + 5x + C$
B) $\frac{x^4}{4} - \frac{1}{x^2} + 5x + C$
C) $3x^2 + \frac{6}{x^4} + C$
D) $\frac{x^4}{4} + \frac{2}{x^4} + 5x + C$
E) $\frac{x^4}{4} - \frac{2}{x^2} + 5x + C$
