<PRE><B>Question 1154941</B>
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3 radical symbol with little 3 over 81
 + 
little 3 radical over 2,187
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Is THIS what you have, or something else?
{{{root(3,81)+root(3,2187)}}}
?

If it is, then   {{{root(3,3^4)+root(3,3^7)}}}

{{{root(3,3^3*3)+root(3,3^3*3^3*3)}}}

{{{3*root(3,3)+3*3*root(3,3)}}}

{{{(3+9)*root(3,3)}}}

{{{12*root(3,3)}}}</PRE>