Упростите выражение \(\frac{3y}{xy-2x}\cdot \frac{x^2y-2x^2}{27y^2}\) .

• \(\frac{x}{9y}\)
• \(\frac{1}{9y^2}\)
• \(\frac{x}{9y^2}\)
• \(\frac{x^2}{9y^3}\)