Simplify: (2a3b2)3\left(\frac{2a^3}{b^2}\right)^3(b22a3)3
8a9b6\frac{8a^9}{b^6}b68a9
8a6b6\frac{8a^6}{b^6}b68a6
2a9b6\frac{2a^9}{b^6}b62a9
8a9b3\frac{8a^9}{b^3}b38a9