Which expression is equivalent to (a^2b^4c)^2(6a^3b)(2c^5)^3/4a^6b^12c^3

1) 3ac^7/b^5

2) 9ac^14/b^3

3) 12ac^14/b^3

4) 9ac^7/b^5​

Which expression is equivalent to a2b4c26a3b2c534a6b12c31 3ac7b52 9ac14b33 12ac14b34 9ac7b5 class=