Hello everyone
I'd like to solve
I tried and I tried, but I failed. The good thing is, I found the solution, it should be
Can someone please help me?
Thank you in advance!
Best regards,
Rapha
There is a difference
Order relation does not exist
If and you cannot write
Therefore
It is only possible if z is real, this is why I asked the question (also because "z" is the usual denomination for an unknown complex, otherwise you would have chosen "x")