What you wright is true. I don't see any mistake:
Take an example:
I don't see any problem ...
At last reply:
http://www.mathhelpforum.com/math-he...-new-post.html
Deveno given an example like what
Here another complex number discussion recently:
http://www.mathhelpforum.com/math-he...rm-184791.html
If rewrite two complex numbers to polar form and multiple with other one. I get a difference result: (i.e. real part only)
What I'm missing?