For every :
Taking limits when :
Now, you can conclude.
I'm having big problem with simple issue, so if any one is willing to guide me to the right approach I will be most grateful
my problem is with this task
"If complex function is regular in the area than it's also continuous on same defined area."
and I need to prove it but i can't even start it because if I assume that some function is regular that implies that function is continuous.... !?!??! I have no clue how to do this