Simplify: (2x3y−1)2(2x^3 y^{-1})^2(2x3y−1)2.
4x6y−24x^6 y^{-2}4x6y−2
2x6y−22x^6 y^{-2}2x6y−2
4x5y14x^5 y^14x5y1
4x9y14x^9 y^14x9y1