Question

How do you simplify `root3(125)`?

Answer 1

`=color(blue)(5`

Explanation:

`125` can be prime factorised as :

`125=5*5*5=5^3`

So `root(3)125` can be written as :

`root(3)(5^3)=(5^(3))^color(blue)(1/3`

`=color(blue)(5`