Question

What is the simplest radical form of `sqrt216`?

Answer 1

`sqrt(216)=sqrt(4*54)=2sqrt(54)=2sqrt(6*9)=2*3sqrt(6)=6sqrt(6)`

Answer 2

`6 xx 6 xx 6=216`

`sqrt216` =

`sqrt(6 xx 6 xx 6)` =

`sqrt(6xx6)sqrt6` =

`6sqrt6`