# Complex Loci Question

• Apr 27th 2011, 08:56 PM
robertbrooks
Complex Loci Question
Hi, could some please explain the process for the following:

Given arg((z+2)/(z-2i)) = pi/4, show -2i lies in the locus

Is it a case of converting to cartesian or is it something far simpler such as subbing in?

Thanks
• Apr 27th 2011, 11:41 PM
FernandoRevilla
• Apr 28th 2011, 11:26 AM
robertbrooks
Brilliant and makes absolute sense
• Apr 28th 2011, 12:33 PM
FernandoRevilla
Quote:

Originally Posted by robertbrooks
Brilliant

I don't agree.

Quote:

and makes absolute sense
I agree. :)