# Complex numbers

• December 14th 2008, 09:12 AM
Haris
Complex numbers
http://img95.imageshack.us/img95/4494/complex2uo6.png
I know how to plot points on the argand diagram but the first two parts I dont know how to solve. Could someone please explain how to solve them?
• December 14th 2008, 09:21 AM
running-gag
Hi

One fourth root of $\omega = 16 e^{\frac{2\pi}{3}i}$ is

$16^{\frac{1}{4}} (e^{\frac{2\pi}{3}i})^{\frac{1}{4}} = 2 e^{\frac{\pi}{6}i}$