The question you have to ask yourself is, if your professor drops dead in the middle of his lecture, will you be able to finish deriving the equation he started? If so, then you know you're doing okay.
Kendinize sormaniz gereken soru, dersin ortasinda birden bire profesor olse, cikarmaya calistigi denklemi siz devam ettirebilir misiniz? Cevabiniz evetse, endiselenmenize gerek yok.
