It depends what the difference is between the 6th mark and the 1st mark. It should only lower your mark by 3-4 points though.
My advice if your not motivated is to take like the next week easy. Don't do a lot of work, watch movies, have a life, look at uni courses you want (if you're planning...
It might be 'harder' in the sense as they look a whole lot harder, but that's because alot of the previous questions relied on the student's ability to recall information that is now on the reference sheet.
My guess is that questions will now be geared to situations where the application of...
To be honest, prelim modern is a trek, but HSC modern (if your teacher is smart enough to choose related options like Germany and Conflict in Europe, like yours) I find is all interrelated and the links between topics will heavily increase not only your understanding, but your ability to write...
Could be exam technique, I would recommend just handing in practice responses for help, but if you are fine with the concepts, practice will help you improve your mark, and dropping to senior science will not really make it any easier.
Do what you love, that's the main thing
I know at my school you can pick up senior science in your last year with bio but dropping eco is basically up to weather you can deal with a long hard year of study.
Re: MX2 2015 Integration Marathon
Because simpson's rule uses the addition seperate curves (across 3 function values) to approximate whereas trapazoidal rule uses the area of trapizoids
Look in the deriving of the formula in the back of ur textbook to see how