Calculus is strict but fair.....

I'm talking about the subject itself, not my lecturer. I mean, if you don't consistently revise and do exercises, how are you going to be good in it? It punishes you with the Newton's Third Law of Motion:

Every action has its equal and opposite reaction.

Or else, if you are careless, then you get punished for not looking at the question properly. That's why, you should scrutinize the questions properly every time you have a pop quiz, test or even in the exam.

Take the necessary amount of time you need to study a question. Or Else, this will happen:

Which results IN:

Would have been 18 1/2. Oh well, as I always say, the first is always the worst. :)

MH~~out