Question

sqrt6(y)*sqrt6(y^5)*sqrt6(y^4)*sqrt6(y^2)

Answer 1

$\sqrt[6]{y} \sqrt[6]{ y^{5} } \sqrt[6]{ y^{4} } \sqrt[6]{ y^{2} }$
$(y^{1/6} ) (y^{5/6} ) (y^{4/6} ) (y^{2/6} )$
$y^{1/6 +5/6 + 4/6 + 2/6}$
$y^{2}$