Question

Simplifique
a) √576
b) $\sqrt[5]{243}$

Answer 1

576/2
288/2
144/2
72/2
36/2
18/2
9/3
3/3
1

243/3
81/3
27/3
9/3
3/3
1

$\sqrt{576}=\sqrt{2^6\times3^2}=2^3\times3=8\times3=\boxed{24}$
$\sqrt[5]{243}= \sqrt[5]{3^5}=\boxed3$