Question 677169
{{{root(4,810)/root(4,2) = (root(4,10*81)/root(4,2))(root(4,8)/root(4,8)) = (3root(4,10)(root(4,8)))/(root(4,16))}}}
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{{{(3root(4,80))/2 = (3root(4,16*5))/2 = (3*2root(4,5))/2 = (3cross(2)root(4,5))/cross(2) = 3root(4,5)}}}
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