Question

$9 sqrt[4]{125} sqrt[12]{125}$

Answer 1

$9 sqrt[4]{125} sqrt[12]{125} = 9*125^ frac{1}{4} *125^ frac{1}{12} = 9*125^ frac{1}{4} ^+ ^frac{1}{12} =9*125^ frac{4}{12} = 9*125^ frac{1}{3}$$=9* sqrt[3]{125} =9* sqrt[3]{5^3} = 9*5=45$