Which one is it ?Consider the complex number:
There are - and + sign that differ...
For the resolution, remember :
Similarly, you can show that
This is why I ask you to clarify whether it is - or +
well, I would say that this one would have been a pain for me to write... ^^PS: How do you guys manage to type up that LaTeX thing smoothly? It takes me ages to get it right! (my first time!)
It's pretty well written for a first time !