Question 470945
{{{root(3,y^7)*root(3,81y^8)}}}
= {{{root(3,81y^15)}}}
= {{{root(3,3*27y^15)}}}
= {{{root(3,3)*root(3,3^3y^15)}}}
= {{{root(3,3)*y^(15/3)}}}
= {{{y^5*root(3,3)}}}
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