Help Me please

Answer:

The principal, real, root of:

9–√494

=1.73205081

All roots:

1.732050811.73205081

1.73205081i1.73205081i

−1.73205081−1.73205081

−1.73205081i−1.73205081i

9=√9=√3*√3

Manuel....did you possibly mean   this  ??

√( 4^9)    =  

√ 4^8  * √4   =

4^4√4  =

256* 2  =  

512

Or    ???

⁴√9  =

⁴√ [ 3 * 3 ]  =

⁴ √  [  √3 *√3 * √3 * √3 ]  =

√3

The second one