Question

Simplify $\sqrt[4]{481}-8\sqrt[3]{3216}+15\sqrt[3]{38}+\sqrt{225}$

Answer 1

$\sqrt[4]{481}-8\sqrt[3]{3216}+15\sqrt[3]{38}+\sqrt{225}=\sqrt[4]{43^4}-8\sqrt[3]{36^3}+15\sqrt[3]{32^3}+\sqrt{{15}^2}=3-8\times 6+15\times 2+15=3-48+30+15=0$