Question 624740
{{{root(4,x)*root(5,3x)}}}


{{{(x^(1/4)^"")*((3x)^(1/5)^"")}}}


{{{(x^(5/20)^"")*((3x)^(4/20)^"")}}}


{{{((x^5)*((3x)^4))^(1/20)^""}}}


{{{((x^5)*(81x^4))^(1/20)^""}}}


{{{(81x^9)^(1/20)^""}}}


{{{root(20,81x^9)}}}



So {{{root(4,x)*root(5,3x)=root(20,81x^9)}}}


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