Выполните действие:

\(\frac{x^2-4y^2}{x^2-xy} \cdot \frac{x-y}{x^2+2xy}\) .

• \(\frac{x-2y}{x^2}\)
• \(\frac{2y-x}{x^2}\)
• \(\frac{2x-y}{x^2}\)
• \(\frac{2y}{x^2}\)