Please help: complex differentiation. If f(z) is given below, how do you find f'(z)?? Thanks! (even just methodology rather than a full answer is much appreciated!!)

Question

Please help:  complex differentiation. If f(z) is given below, how do you find f'(z)?? Thanks! (even just methodology rather than a full answer is much appreciated!!)

anonymous · Answer

$$f(z)=e^{-y}\cos(x)+x^2-y^2+i(e^{-y}\sin(x)+2xy)$$

anonymous · Answer

I have never taken complex analysis, sorry..

inkyvoyd · Answer

lol, go to reddit... (r/cheatatmathhomework)

anonymous · Answer

Yeah but that hardly helps if I get this question in my exams :(

inkyvoyd · Answer

reddit? reddit's fairly helpful.

inkyvoyd · Answer

you could try stackexchange, too...

inkyvoyd · Answer

(r/cheatatmathhomework doesn't just give you an answer, they almost always give you an explanation, and it usually endswith only a hint, unless your really need help)

anonymous · Answer

Okay, cheers, I'll check it out :)

inkyvoyd · Answer

Good luck!