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- January 7th 2010, 12:07 PM.::MadMaX::.Complex numbers
- January 7th 2010, 12:38 PMPlato
.

Now find the three cube roots. One of then is

.

What are the other two? - January 8th 2010, 11:25 PM.::MadMaX::.
- January 9th 2010, 02:14 AMProve It
One of the cube roots is .

All of the cube roots are evenly spaced around the unit circle.

So they are all separated by an angle of .

The radius is 1, so the other roots are at

and

.

Therefore the three roots are

. - January 9th 2010, 10:40 AM.::MadMaX::.
Now I'm really confused! (Thinking)

- January 9th 2010, 11:15 AMPlato
- January 9th 2010, 01:26 PM.::MadMaX::.
So I did good job? :D :D :D

Thank you all,especially you Plato! :) - January 9th 2010, 05:32 PMCaptcha
I was having exactly the same confusion last night. Haha. See here.