Just advertising that I am now doing small group and private tutoring for Mathematics Extension I for senior students, and an those in grades bellow that have the capacity to do learn ahead of the cohort. I have completed the HSC last year, with a HSC mark of 99/100 for Mathematics Extension I...
I reckon it was an alright paper.It took me a while to understand what the binomial question was about. I just started writing stuff down, and it eventually came to me that you needed to compare coefficients of x^2n. Yeah, so overall, it was a good paper. Not too hard, not too easy.