Question

Simplify : $\sqrt[4]{481}-8\sqrt[3]{3216}+15\sqrt[5]{532}+\sqrt{225}$

Answer 1

$\sqrt[4]{481}-8\sqrt[3]{3216}+15\sqrt[5]{532}+\sqrt{225}=\sqrt[4]{43^4}-8\sqrt[3]{36^3}+15\sqrt[5]{52^5}+\sqrt{225}$

$=3-8\times 6+15\times 2+15$

$=3-48+30+15$

$=48-48$

$=0$