Given the obvious background of the OP, the previous two replies are less than helpful. Post #5 is all that is required for the OP to understand at this point in time. Product rules etc. are not appropriate for this thread as it will just confuse the OP.
I've gotten all that I needed from this thread. Thanks.
then I don't think it's unreasonable to say thatYep, that pretty much explains my class - homework problems on stuff we haven't been taught.
As for the "If" in my statement, it is not unknown for students to, unfairly, blame a teacher for their difficulties.your problem is with the teacher and I would suggest that you discuss the matter with him/her
This thread is now closed.