Integrate \(\frac{1 - x}{x^3}\) with respect to x

• A.\(\frac{x - x^2}{x^4}\) + k
• B.\(\frac{4}{x^4} - \frac{3 + k}{x^3}\)
• C.\(\frac{1}{x} - \frac{1}{2x^2}\) + k
• D.\(\frac{1}{3x^2} - \frac{1}{2x}\) + k
• E.