Question 1181186

I'm asked here to simplify. Please view document for equation.

https://docs.google.com/document/d/1Cl3HrcoR6jibNzxfDTIilS3imSplLY8nQUU0OpU9vLA/edit?usp=sharing
<pre>{{{(sqrt(9x^3y^2))^3/matrix(2,1, "", root(4, 16x^(- 1)y^(- 2/3)))}}} ===> {{{((9x^3y^2)^(1/2))^3/matrix(2,1, "", (16x^(- 1)y^(- 2/3))^(1/4))}}} ====> {{{(9x^3y^2)^(3/2)/matrix(2,1, "", (16x^(- 1)y^(- 2/3))^(1/4))}}} =====> {{{matrix(2,1, " ", 9^(3/2)x^(3 * (3/2))y^(2 * (3/2)))/matrix(2,1, " ", (16^(1/4)x^(- 1 * (1/4))y^((- 2/3) * (1/4))))}}} 
{{{matrix(2,1, " ", 3^3x^(9/2)y^3)/matrix(2,1, " ", 2x^(- 1/4)y^(- 1/6)))}}} ====> {{{matrix(2,1, " ", 27x^((9/2) - (- 1/4))y^(3 - (- 1/6))/2)}}} ====> {{{matrix(2,1, " ", 27x^((18/4 + 1/4))y^(18/6 + 1/6)/2)}}} ===> {{{highlight(highlight_green(highlight(matrix(1,4, matrix(2,1, " ", 27x^(19/4)y^(19/6)/2), ",", or, 13.5x^(19/4)y^(19/6)))))}}}