not trying to brag but M1 is really a piece of cake...i found vectors the easiest topic but basicaly thats me.
position vectors...just basically a starting point really, then u got the direction which the vector comes out of.
I got 97 in the June 09 m1 and i noticed my mistake as i walked out of the exam
If you have any specific questions u wanna ask, feel free. i havnt done this stuff in a while but i'll give it a shot
good luck with your exams