to do this problem you just set z= x+yi then just factor away right? i just need to know because homework is worth 40% of my grade in this class....ty very much!

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- Feb 26th 2011, 11:48 AMChrisYee08Factoring z^4+1 over the complex numbers
to do this problem you just set z= x+yi then just factor away right? i just need to know because homework is worth 40% of my grade in this class....ty very much!

- Feb 26th 2011, 12:14 PMFernandoRevilla
Find the four roots of i.e. then,

- Feb 26th 2011, 08:14 PMlanierms
It might be hard to find the four roots. Here is what it would look like if I do what FernandoRevilla said.

Solution:

Why is Latex so confusing..... - Feb 26th 2011, 10:20 PMTheCoffeeMachine
- Feb 27th 2011, 02:22 AMFernandoRevilla
An alternative:

So,

in the form**lanierms**provided i.e. separated real and imaginary parts of the roots. - Feb 27th 2011, 04:47 AMHallsofIvy
Note that ChrisYee08 said "homework is worth 40% of my grade in this class". It would have been better to give some hints rather than give the entire answer.

- Feb 27th 2011, 07:42 AMFernandoRevilla
- Feb 28th 2011, 02:05 PMChrisYee08
wow cool thanks. its ok if its just the solution. when i have the solution im always able to go back and figure out what i did wrong and how to do it correctly. i was jw how did you some up with roots?

- Mar 1st 2011, 03:09 AMHallsofIvy
No, it's

**not**okay! It is very easy to look at a solution given by someone else and tell yourself that you understand it now, but even if you**do**understand every step, you have not had the experience of finding the steps for yourself- and that is where learning occurs.