Question 134716
Given: {{{(3x)^(-1/3)}}}
{{{1/(3x)^(1/3)}}} 
Next, clear the denominator of any radicals
Multiply by {{{(3x)^(2/3)/ (3x)^(2/3)}}} which is 1

{{{(3x)^(2/3)/((3x)^(1/3)*(3x)^(2/3))}}}

{{{(3x)^(2/3)/(3x)^((1/3) + (2/3))}}}

{{{(3x)^(2/3)/(3x)}}}