Question

How do you simplify `2 root3( 128)`?

Answer 1

`8root(3)2`

Explanation:

Write 128 as the product of its prime factors, so we know what we are working with.

`128 = 2^7`

`2 root(3)(2^6 xx 2)" group indices in threes"`

=`2xx 2^2 root(3)2`

=`8root(3)2`