Question 547314
<pre>Use the principle:

{{{matrix(4,1,"","",A^(B/C),"")}}} = {{{(root(C,A))^B}}}

{{{matrix(4,1,"","",8^(2/3),"")}}} = {{{(root(3,8))^2}}} = {{{(2)^2}}} = 4


Edwin</pre>