Question 480813
{{{root(6,(r+3)^5)/root(3,(r+3)^5)=(r+3)^(5/6)/(r+3)^(5/3)=(r+3)^(5/6-5/3)=(r+3)^((5-10)/6)=(r+3)^(-5/6)=1/(r+3)^(5/6)=1/root(6,(r+3)^5)}}}