Will you please help me solve this equation.

Solve this equation in the complex number system:x^3-8=0

I have only a real number answer, which is 2. How to solve it in complex numbers?

Thank you

Printable View

- Oct 27th 2007, 01:27 PMoceanmdSolve in Complex Numbers
Will you please help me solve this equation.

Solve this equation in the complex number system:x^3-8=0

I have only a real number answer, which is 2. How to solve it in complex numbers?

Thank you - Oct 27th 2007, 01:50 PMred_dog

- Oct 27th 2007, 02:09 PMoceanmd
Thank you very much

- Oct 27th 2007, 02:09 PMgalactus
You could take the more 'complex' route and use:

, k=0,1,2

Let k=0 and get

k=1:

k=2: